annotate roundup/cgi/TAL/TALInterpreter.py @ 4117:4d1fa6e1fe8c 1.4.8

release stuff
author Richard Jones <richard@users.sourceforge.net>
date Wed, 18 Mar 2009 03:39:58 +0000
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1 ##############################################################################
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2 #
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3 # Copyright (c) 2001, 2002 Zope Corporation and Contributors.
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4 # All Rights Reserved.
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5 #
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6 # This software is subject to the provisions of the Zope Public License,
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7 # Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
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8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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11 # FOR A PARTICULAR PURPOSE.
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12 #
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13 ##############################################################################
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14 # Modifications for Roundup:
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15 # 1. implemented ustr as str
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16 """
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17 Interpreter for a pre-compiled TAL program.
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18 """
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19
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20 import sys
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21 import getopt
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22 import re
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23 from types import ListType
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24 from cgi import escape
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25 # Do not use cStringIO here! It's not unicode aware. :(
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26 from StringIO import StringIO
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27 #from DocumentTemplate.DT_Util import ustr
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28 ustr = str
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29
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30 from TALDefs import TAL_VERSION, TALError, METALError, attrEscape
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31 from TALDefs import isCurrentVersion, getProgramVersion, getProgramMode
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32 from TALGenerator import TALGenerator
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33 from TranslationContext import TranslationContext
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34
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35 BOOLEAN_HTML_ATTRS = [
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36 # List of Boolean attributes in HTML that should be rendered in
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37 # minimized form (e.g. <img ismap> rather than <img ismap="">)
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38 # From http://www.w3.org/TR/xhtml1/#guidelines (C.10)
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39 # XXX The problem with this is that this is not valid XML and
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40 # can't be parsed back!
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41 "compact", "nowrap", "ismap", "declare", "noshade", "checked",
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42 "disabled", "readonly", "multiple", "selected", "noresize",
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43 "defer"
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44 ]
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45
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46 def normalize(text):
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47 # Now we need to normalize the whitespace in implicit message ids and
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48 # implicit $name substitution values by stripping leading and trailing
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49 # whitespace, and folding all internal whitespace to a single space.
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50 return ' '.join(text.split())
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51
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52
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53 NAME_RE = r"[a-zA-Z][a-zA-Z0-9_]*"
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54 _interp_regex = re.compile(r'(?<!\$)(\$(?:%(n)s|{%(n)s}))' %({'n': NAME_RE}))
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55 _get_var_regex = re.compile(r'%(n)s' %({'n': NAME_RE}))
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56
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57 def interpolate(text, mapping):
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58 """Interpolate ${keyword} substitutions.
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59
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60 This is called when no translation is provided by the translation
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61 service.
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62 """
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63 if not mapping:
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64 return text
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65 # Find all the spots we want to substitute.
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66 to_replace = _interp_regex.findall(text)
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67 # Now substitute with the variables in mapping.
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68 for string in to_replace:
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69 var = _get_var_regex.findall(string)[0]
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70 if mapping.has_key(var):
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71 # Call ustr because we may have an integer for instance.
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72 subst = ustr(mapping[var])
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73 try:
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74 text = text.replace(string, subst)
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75 except UnicodeError:
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76 # subst contains high-bit chars...
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77 # As we have no way of knowing the correct encoding,
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78 # substitue something instead of raising an exception.
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79 subst = `subst`[1:-1]
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80 text = text.replace(string, subst)
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81 return text
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82
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83
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84 class AltTALGenerator(TALGenerator):
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85
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86 def __init__(self, repldict, expressionCompiler=None, xml=0):
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87 self.repldict = repldict
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88 self.enabled = 1
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89 TALGenerator.__init__(self, expressionCompiler, xml)
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90
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91 def enable(self, enabled):
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92 self.enabled = enabled
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93
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94 def emit(self, *args):
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95 if self.enabled:
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96 TALGenerator.emit(self, *args)
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97
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98 def emitStartElement(self, name, attrlist, taldict, metaldict, i18ndict,
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99 position=(None, None), isend=0):
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100 metaldict = {}
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101 taldict = {}
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102 i18ndict = {}
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103 if self.enabled and self.repldict:
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104 taldict["attributes"] = "x x"
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105 TALGenerator.emitStartElement(self, name, attrlist,
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106 taldict, metaldict, i18ndict,
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107 position, isend)
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108
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109 def replaceAttrs(self, attrlist, repldict):
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110 if self.enabled and self.repldict:
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111 repldict = self.repldict
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112 self.repldict = None
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113 return TALGenerator.replaceAttrs(self, attrlist, repldict)
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114
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115
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116 class TALInterpreter:
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117
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118 def __init__(self, program, macros, engine, stream=None,
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119 debug=0, wrap=60, metal=1, tal=1, showtal=-1,
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120 strictinsert=1, stackLimit=100, i18nInterpolate=1):
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121 self.program = program
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122 self.macros = macros
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123 self.engine = engine # Execution engine (aka context)
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124 self.Default = engine.getDefault()
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125 self.stream = stream or sys.stdout
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126 self._stream_write = self.stream.write
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127 self.debug = debug
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128 self.wrap = wrap
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129 self.metal = metal
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130 self.tal = tal
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131 if tal:
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132 self.dispatch = self.bytecode_handlers_tal
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133 else:
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134 self.dispatch = self.bytecode_handlers
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135 assert showtal in (-1, 0, 1)
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136 if showtal == -1:
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137 showtal = (not tal)
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138 self.showtal = showtal
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139 self.strictinsert = strictinsert
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140 self.stackLimit = stackLimit
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141 self.html = 0
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142 self.endsep = "/>"
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143 self.endlen = len(self.endsep)
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144 self.macroStack = []
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145 self.position = None, None # (lineno, offset)
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146 self.col = 0
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147 self.level = 0
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148 self.scopeLevel = 0
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149 self.sourceFile = None
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150 self.i18nStack = []
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151 self.i18nInterpolate = i18nInterpolate
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152 self.i18nContext = TranslationContext()
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153
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154 def StringIO(self):
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155 # Third-party products wishing to provide a full Unicode-aware
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156 # StringIO can do so by monkey-patching this method.
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157 return FasterStringIO()
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158
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159 def saveState(self):
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160 return (self.position, self.col, self.stream,
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161 self.scopeLevel, self.level, self.i18nContext)
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162
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163 def restoreState(self, state):
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164 (self.position, self.col, self.stream, scopeLevel, level, i18n) = state
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165 self._stream_write = self.stream.write
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166 assert self.level == level
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167 while self.scopeLevel > scopeLevel:
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168 self.engine.endScope()
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169 self.scopeLevel = self.scopeLevel - 1
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170 self.engine.setPosition(self.position)
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171 self.i18nContext = i18n
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172
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173 def restoreOutputState(self, state):
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174 (dummy, self.col, self.stream, scopeLevel, level, i18n) = state
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175 self._stream_write = self.stream.write
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176 assert self.level == level
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177 assert self.scopeLevel == scopeLevel
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178
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parents:
diff changeset
179 def pushMacro(self, macroName, slots, entering=1):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
180 if len(self.macroStack) >= self.stackLimit:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
181 raise METALError("macro nesting limit (%d) exceeded "
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
182 "by %s" % (self.stackLimit, `macroName`))
2348
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parents: 2005
diff changeset
183 self.macroStack.append([macroName, slots, entering, self.i18nContext])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
184
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
185 def popMacro(self):
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
186 return self.macroStack.pop()
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
187
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
188 def __call__(self):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
189 assert self.level == 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
190 assert self.scopeLevel == 0
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
191 assert self.i18nContext.parent is None
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
192 self.interpret(self.program)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
193 assert self.level == 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
194 assert self.scopeLevel == 0
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
195 assert self.i18nContext.parent is None
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
196 if self.col > 0:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
197 self._stream_write("\n")
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
198 self.col = 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
199
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
200 def stream_write(self, s,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
201 len=len):
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
202 self._stream_write(s)
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
203 i = s.rfind('\n')
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
204 if i < 0:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
205 self.col = self.col + len(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
206 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
207 self.col = len(s) - (i + 1)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
208
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
209 bytecode_handlers = {}
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
210
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
211 def interpretWithStream(self, program, stream):
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
212 oldstream = self.stream
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
213 self.stream = stream
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
214 self._stream_write = stream.write
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
215 try:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
216 self.interpret(program)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
217 finally:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
218 self.stream = oldstream
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
219 self._stream_write = oldstream.write
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
220
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Richard Jones <richard@users.sourceforge.net>
parents: 1309
diff changeset
221 def interpret(self, program):
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
222 oldlevel = self.level
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
223 self.level = oldlevel + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
224 handlers = self.dispatch
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
225 try:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
226 if self.debug:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
227 for (opcode, args) in program:
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
228 s = "%sdo_%s(%s)\n" % (" "*self.level, opcode,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
229 repr(args))
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
230 if len(s) > 80:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
231 s = s[:76] + "...\n"
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
232 sys.stderr.write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
233 handlers[opcode](self, args)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
234 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
235 for (opcode, args) in program:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
236 handlers[opcode](self, args)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
237 finally:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
238 self.level = oldlevel
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
239
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240 def do_version(self, version):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
241 assert version == TAL_VERSION
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
242 bytecode_handlers["version"] = do_version
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
243
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
244 def do_mode(self, mode):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
245 assert mode in ("html", "xml")
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
246 self.html = (mode == "html")
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
247 if self.html:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
248 self.endsep = " />"
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
249 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
250 self.endsep = "/>"
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
251 self.endlen = len(self.endsep)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
252 bytecode_handlers["mode"] = do_mode
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
253
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
254 def do_setSourceFile(self, source_file):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
255 self.sourceFile = source_file
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
256 self.engine.setSourceFile(source_file)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
257 bytecode_handlers["setSourceFile"] = do_setSourceFile
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
258
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
259 def do_setPosition(self, position):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
260 self.position = position
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
261 self.engine.setPosition(position)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
262 bytecode_handlers["setPosition"] = do_setPosition
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
263
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
264 def do_startEndTag(self, stuff):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
265 self.do_startTag(stuff, self.endsep, self.endlen)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
266 bytecode_handlers["startEndTag"] = do_startEndTag
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
267
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
268 def do_startTag(self, (name, attrList),
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
269 end=">", endlen=1, _len=len):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
270 # The bytecode generator does not cause calls to this method
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
271 # for start tags with no attributes; those are optimized down
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
272 # to rawtext events. Hence, there is no special "fast path"
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
273 # for that case.
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
274 L = ["<", name]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
275 append = L.append
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
276 col = self.col + _len(name) + 1
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
277 wrap = self.wrap
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
278 align = col + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
279 if align >= wrap/2:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
280 align = 4 # Avoid a narrow column far to the right
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
281 attrAction = self.dispatch["<attrAction>"]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
282 try:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
283 for item in attrList:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
284 if _len(item) == 2:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
285 name, s = item
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 else:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
287 # item[2] is the 'action' field:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
288 if item[2] in ('metal', 'tal', 'xmlns', 'i18n'):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
289 if not self.showtal:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
290 continue
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
291 ok, name, s = self.attrAction(item)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
292 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
293 ok, name, s = attrAction(self, item)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
294 if not ok:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
295 continue
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
296 slen = _len(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
297 if (wrap and
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
298 col >= align and
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
299 col + 1 + slen > wrap):
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
300 append("\n")
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
301 append(" "*align)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
302 col = align + slen
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
303 else:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
304 append(" ")
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
305 col = col + 1 + slen
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
306 append(s)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
307 append(end)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
308 self._stream_write("".join(L))
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
309 col = col + endlen
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
310 finally:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
311 self.col = col
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
312 bytecode_handlers["startTag"] = do_startTag
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
313
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
314 def attrAction(self, item):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
315 name, value, action = item[:3]
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
316 if action == 'insert':
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
317 return 0, name, value
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
318 macs = self.macroStack
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
319 if action == 'metal' and self.metal and macs:
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
320 if len(macs) > 1 or not macs[-1][2]:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
321 # Drop all METAL attributes at a use-depth above one.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
322 return 0, name, value
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
323 # Clear 'entering' flag
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
324 macs[-1][2] = 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
325 # Convert or drop depth-one METAL attributes.
1309
309f125f86cc removed use of string/strop from TAL/TALInterpreter
Richard Jones <richard@users.sourceforge.net>
parents: 1049
diff changeset
326 i = name.rfind(":") + 1
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
327 prefix, suffix = name[:i], name[i:]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
328 if suffix == "define-macro":
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
329 # Convert define-macro as we enter depth one.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
330 name = prefix + "use-macro"
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
331 value = macs[-1][0] # Macro name
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
332 elif suffix == "define-slot":
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
333 name = prefix + "fill-slot"
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
334 elif suffix == "fill-slot":
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
335 pass
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
336 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
337 return 0, name, value
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
338
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
339 if value is None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
340 value = name
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
341 else:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
342 value = '%s="%s"' % (name, attrEscape(value))
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
343 return 1, name, value
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
344
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
345 def attrAction_tal(self, item):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
346 name, value, action = item[:3]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
347 ok = 1
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
348 expr, xlat, msgid = item[3:]
1309
309f125f86cc removed use of string/strop from TAL/TALInterpreter
Richard Jones <richard@users.sourceforge.net>
parents: 1049
diff changeset
349 if self.html and name.lower() in BOOLEAN_HTML_ATTRS:
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
350 evalue = self.engine.evaluateBoolean(item[3])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
351 if evalue is self.Default:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
352 if action == 'insert': # Cancelled insert
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
353 ok = 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
354 elif evalue:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
355 value = None
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
356 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
357 ok = 0
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
358 elif expr is not None:
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
359 evalue = self.engine.evaluateText(item[3])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
360 if evalue is self.Default:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
361 if action == 'insert': # Cancelled insert
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
362 ok = 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
363 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
364 if evalue is None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
365 ok = 0
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
366 value = evalue
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
367 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
368 evalue = None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
369
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
370 if ok:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
371 if xlat:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
372 translated = self.translate(msgid or value, value, {})
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
373 if translated is not None:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
374 value = translated
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
375 if value is None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
376 value = name
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
377 elif evalue is self.Default:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
378 value = attrEscape(value)
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
379 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
380 value = escape(value, quote=1)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
381 value = '%s="%s"' % (name, value)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
382 return ok, name, value
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
383 bytecode_handlers["<attrAction>"] = attrAction
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
384
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
385 def no_tag(self, start, program):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
386 state = self.saveState()
2348
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
387 self.stream = stream = self.StringIO()
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
388 self._stream_write = stream.write
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
389 self.interpret(start)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
390 self.restoreOutputState(state)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
391 self.interpret(program)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
392
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
393 def do_optTag(self, (name, cexpr, tag_ns, isend, start, program),
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
394 omit=0):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
395 if tag_ns and not self.showtal:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
396 return self.no_tag(start, program)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
397
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
398 self.interpret(start)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
399 if not isend:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
400 self.interpret(program)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
401 s = '</%s>' % name
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
402 self._stream_write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
403 self.col = self.col + len(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
404
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
405 def do_optTag_tal(self, stuff):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
406 cexpr = stuff[1]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
407 if cexpr is not None and (cexpr == '' or
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
408 self.engine.evaluateBoolean(cexpr)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
409 self.no_tag(stuff[-2], stuff[-1])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
410 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
411 self.do_optTag(stuff)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
412 bytecode_handlers["optTag"] = do_optTag
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
413
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
414 def do_rawtextBeginScope(self, (s, col, position, closeprev, dict)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
415 self._stream_write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
416 self.col = col
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
417 self.position = position
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
418 self.engine.setPosition(position)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
419 if closeprev:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
420 engine = self.engine
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
421 engine.endScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
422 engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
423 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
424 self.engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
425 self.scopeLevel = self.scopeLevel + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
426
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
427 def do_rawtextBeginScope_tal(self, (s, col, position, closeprev, dict)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
428 self._stream_write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
429 self.col = col
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
430 engine = self.engine
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
431 self.position = position
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
432 engine.setPosition(position)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
433 if closeprev:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
434 engine.endScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
435 engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
436 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
437 engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
438 self.scopeLevel = self.scopeLevel + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
439 engine.setLocal("attrs", dict)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
440 bytecode_handlers["rawtextBeginScope"] = do_rawtextBeginScope
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
441
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
442 def do_beginScope(self, dict):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
443 self.engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
444 self.scopeLevel = self.scopeLevel + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
445
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
446 def do_beginScope_tal(self, dict):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
447 engine = self.engine
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
448 engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
449 engine.setLocal("attrs", dict)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
450 self.scopeLevel = self.scopeLevel + 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
451 bytecode_handlers["beginScope"] = do_beginScope
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
452
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
453 def do_endScope(self, notused=None):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
454 self.engine.endScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
455 self.scopeLevel = self.scopeLevel - 1
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
456 bytecode_handlers["endScope"] = do_endScope
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
457
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
458 def do_setLocal(self, notused):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
459 pass
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
460
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
461 def do_setLocal_tal(self, (name, expr)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
462 self.engine.setLocal(name, self.engine.evaluateValue(expr))
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
463 bytecode_handlers["setLocal"] = do_setLocal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
464
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
465 def do_setGlobal_tal(self, (name, expr)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
466 self.engine.setGlobal(name, self.engine.evaluateValue(expr))
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
467 bytecode_handlers["setGlobal"] = do_setLocal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
468
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
469 def do_beginI18nContext(self, settings):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
470 get = settings.get
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
471 self.i18nContext = TranslationContext(self.i18nContext,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
472 domain=get("domain"),
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
473 source=get("source"),
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
474 target=get("target"))
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
475 bytecode_handlers["beginI18nContext"] = do_beginI18nContext
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
476
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
477 def do_endI18nContext(self, notused=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
478 self.i18nContext = self.i18nContext.parent
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
479 assert self.i18nContext is not None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
480 bytecode_handlers["endI18nContext"] = do_endI18nContext
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
481
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
482 def do_insertText(self, stuff):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
483 self.interpret(stuff[1])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
484
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
485 def do_insertText_tal(self, stuff):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
486 text = self.engine.evaluateText(stuff[0])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
487 if text is None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
488 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
489 if text is self.Default:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
490 self.interpret(stuff[1])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
491 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
492 s = escape(text)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
493 self._stream_write(s)
1309
309f125f86cc removed use of string/strop from TAL/TALInterpreter
Richard Jones <richard@users.sourceforge.net>
parents: 1049
diff changeset
494 i = s.rfind('\n')
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
495 if i < 0:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
496 self.col = self.col + len(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
497 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
498 self.col = len(s) - (i + 1)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
499 bytecode_handlers["insertText"] = do_insertText
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
500
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
501 def do_i18nVariable(self, stuff):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
502 varname, program, expression = stuff
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
503 if expression is None:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
504 # The value is implicitly the contents of this tag, so we have to
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
505 # evaluate the mini-program to get the value of the variable.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
506 state = self.saveState()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
507 try:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
508 tmpstream = self.StringIO()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
509 self.interpretWithStream(program, tmpstream)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
510 value = normalize(tmpstream.getvalue())
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
511 finally:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
512 self.restoreState(state)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
513 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
514 # Evaluate the value to be associated with the variable in the
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
515 # i18n interpolation dictionary.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
516 value = self.engine.evaluate(expression)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
517 # Either the i18n:name tag is nested inside an i18n:translate in which
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
518 # case the last item on the stack has the i18n dictionary and string
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
519 # representation, or the i18n:name and i18n:translate attributes are
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
520 # in the same tag, in which case the i18nStack will be empty. In that
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
521 # case we can just output the ${name} to the stream
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
522 i18ndict, srepr = self.i18nStack[-1]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
523 i18ndict[varname] = value
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
524 placeholder = '${%s}' % varname
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
525 srepr.append(placeholder)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
526 self._stream_write(placeholder)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
527 bytecode_handlers['i18nVariable'] = do_i18nVariable
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
528
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
529 def do_insertTranslation(self, stuff):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
530 i18ndict = {}
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
531 srepr = []
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
532 obj = None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
533 self.i18nStack.append((i18ndict, srepr))
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
534 msgid = stuff[0]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
535 # We need to evaluate the content of the tag because that will give us
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
536 # several useful pieces of information. First, the contents will
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
537 # include an implicit message id, if no explicit one was given.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
538 # Second, it will evaluate any i18nVariable definitions in the body of
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
539 # the translation (necessary for $varname substitutions).
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
540 #
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
541 # Use a temporary stream to capture the interpretation of the
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
542 # subnodes, which should /not/ go to the output stream.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
543 tmpstream = self.StringIO()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
544 self.interpretWithStream(stuff[1], tmpstream)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
545 default = tmpstream.getvalue()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
546 # We only care about the evaluated contents if we need an implicit
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
547 # message id. All other useful information will be in the i18ndict on
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
548 # the top of the i18nStack.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
549 if msgid == '':
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
550 msgid = normalize(default)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
551 self.i18nStack.pop()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
552 # See if there is was an i18n:data for msgid
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
553 if len(stuff) > 2:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
554 obj = self.engine.evaluate(stuff[2])
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
555 xlated_msgid = self.translate(msgid, default, i18ndict, obj)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
556 assert xlated_msgid is not None, self.position
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
557 self._stream_write(xlated_msgid)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
558 bytecode_handlers['insertTranslation'] = do_insertTranslation
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
559
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
560 def do_insertStructure(self, stuff):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
561 self.interpret(stuff[2])
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
562
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
563 def do_insertStructure_tal(self, (expr, repldict, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
564 structure = self.engine.evaluateStructure(expr)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
565 if structure is None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
566 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
567 if structure is self.Default:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
568 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
569 return
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
570 text = ustr(structure)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
571 if not (repldict or self.strictinsert):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
572 # Take a shortcut, no error checking
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
573 self.stream_write(text)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
574 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
575 if self.html:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
576 self.insertHTMLStructure(text, repldict)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
577 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
578 self.insertXMLStructure(text, repldict)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
579 bytecode_handlers["insertStructure"] = do_insertStructure
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
580
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
581 def insertHTMLStructure(self, text, repldict):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
582 from HTMLTALParser import HTMLTALParser
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
583 gen = AltTALGenerator(repldict, self.engine.getCompiler(), 0)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
584 p = HTMLTALParser(gen) # Raises an exception if text is invalid
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
585 p.parseString(text)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
586 program, macros = p.getCode()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
587 self.interpret(program)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
588
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
589 def insertXMLStructure(self, text, repldict):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
590 from TALParser import TALParser
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
591 gen = AltTALGenerator(repldict, self.engine.getCompiler(), 0)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
592 p = TALParser(gen)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
593 gen.enable(0)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
594 p.parseFragment('<!DOCTYPE foo PUBLIC "foo" "bar"><foo>')
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
595 gen.enable(1)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
596 p.parseFragment(text) # Raises an exception if text is invalid
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
597 gen.enable(0)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
598 p.parseFragment('</foo>', 1)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
599 program, macros = gen.getCode()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
600 self.interpret(program)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
601
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
602 def do_loop(self, (name, expr, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
603 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
604
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
605 def do_loop_tal(self, (name, expr, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
606 iterator = self.engine.setRepeat(name, expr)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
607 while iterator.next():
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
608 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
609 bytecode_handlers["loop"] = do_loop
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
610
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
611 def translate(self, msgid, default, i18ndict, obj=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
612 if obj:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
613 i18ndict.update(obj)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
614 if not self.i18nInterpolate:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
615 return msgid
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
616 # XXX We need to pass in one of context or target_language
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
617 return self.engine.translate(self.i18nContext.domain,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
618 msgid, i18ndict, default=default)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
619
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
620 def do_rawtextColumn(self, (s, col)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
621 self._stream_write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
622 self.col = col
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
623 bytecode_handlers["rawtextColumn"] = do_rawtextColumn
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
624
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
625 def do_rawtextOffset(self, (s, offset)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
626 self._stream_write(s)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
627 self.col = self.col + offset
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
628 bytecode_handlers["rawtextOffset"] = do_rawtextOffset
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
629
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
630 def do_condition(self, (condition, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
631 if not self.tal or self.engine.evaluateBoolean(condition):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
632 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
633 bytecode_handlers["condition"] = do_condition
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
634
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
635 def do_defineMacro(self, (macroName, macro)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
636 macs = self.macroStack
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
637 if len(macs) == 1:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
638 entering = macs[-1][2]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
639 if not entering:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
640 macs.append(None)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
641 self.interpret(macro)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
642 assert macs[-1] is None
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
643 macs.pop()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
644 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
645 self.interpret(macro)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
646 bytecode_handlers["defineMacro"] = do_defineMacro
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
647
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
648 def do_useMacro(self, (macroName, macroExpr, compiledSlots, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
649 if not self.metal:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
650 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
651 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
652 macro = self.engine.evaluateMacro(macroExpr)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
653 if macro is self.Default:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
654 macro = block
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
655 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
656 if not isCurrentVersion(macro):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
657 raise METALError("macro %s has incompatible version %s" %
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
658 (`macroName`, `getProgramVersion(macro)`),
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
659 self.position)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
660 mode = getProgramMode(macro)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
661 if mode != (self.html and "html" or "xml"):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
662 raise METALError("macro %s has incompatible mode %s" %
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
663 (`macroName`, `mode`), self.position)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
664 self.pushMacro(macroName, compiledSlots)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
665 prev_source = self.sourceFile
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
666 self.interpret(macro)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
667 if self.sourceFile != prev_source:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
668 self.engine.setSourceFile(prev_source)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
669 self.sourceFile = prev_source
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
670 self.popMacro()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
671 bytecode_handlers["useMacro"] = do_useMacro
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
672
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
673 def do_fillSlot(self, (slotName, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
674 # This is only executed if the enclosing 'use-macro' evaluates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
675 # to 'default'.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
676 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
677 bytecode_handlers["fillSlot"] = do_fillSlot
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
678
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
679 def do_defineSlot(self, (slotName, block)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
680 if not self.metal:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
681 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
682 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
683 macs = self.macroStack
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
684 if macs and macs[-1] is not None:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
685 macroName, slots = self.popMacro()[:2]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
686 slot = slots.get(slotName)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
687 if slot is not None:
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
688 prev_source = self.sourceFile
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
689 self.interpret(slot)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
690 if self.sourceFile != prev_source:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
691 self.engine.setSourceFile(prev_source)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
692 self.sourceFile = prev_source
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
693 self.pushMacro(macroName, slots, entering=0)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
694 return
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
695 self.pushMacro(macroName, slots)
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
696 # Falling out of the 'if' allows the macro to be interpreted.
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
697 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
698 bytecode_handlers["defineSlot"] = do_defineSlot
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
699
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
700 def do_onError(self, (block, handler)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
701 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
702
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
703 def do_onError_tal(self, (block, handler)):
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
704 state = self.saveState()
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
705 self.stream = stream = self.StringIO()
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
706 self._stream_write = stream.write
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
707 try:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
708 self.interpret(block)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
709 except:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
710 exc = sys.exc_info()[1]
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
711 self.restoreState(state)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
712 engine = self.engine
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
713 engine.beginScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
714 error = engine.createErrorInfo(exc, self.position)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
715 engine.setLocal('error', error)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
716 try:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
717 self.interpret(handler)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
718 finally:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
719 engine.endScope()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
720 else:
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
721 self.restoreOutputState(state)
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
722 self.stream_write(stream.getvalue())
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
723 bytecode_handlers["onError"] = do_onError
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
724
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
725 bytecode_handlers_tal = bytecode_handlers.copy()
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
726 bytecode_handlers_tal["rawtextBeginScope"] = do_rawtextBeginScope_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
727 bytecode_handlers_tal["beginScope"] = do_beginScope_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
728 bytecode_handlers_tal["setLocal"] = do_setLocal_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
729 bytecode_handlers_tal["setGlobal"] = do_setGlobal_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
730 bytecode_handlers_tal["insertStructure"] = do_insertStructure_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
731 bytecode_handlers_tal["insertText"] = do_insertText_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
732 bytecode_handlers_tal["loop"] = do_loop_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
733 bytecode_handlers_tal["onError"] = do_onError_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
734 bytecode_handlers_tal["<attrAction>"] = attrAction_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
735 bytecode_handlers_tal["optTag"] = do_optTag_tal
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
736
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
737
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
738 class FasterStringIO(StringIO):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
739 """Append-only version of StringIO.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
740
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
741 This let's us have a much faster write() method.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
742 """
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
743 def close(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
744 if not self.closed:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
745 self.write = _write_ValueError
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
746 StringIO.close(self)
1049
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
747
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
748 def seek(self, pos, mode=0):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
749 raise RuntimeError("FasterStringIO.seek() not allowed")
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
750
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
751 def write(self, s):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
752 #assert self.pos == self.len
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
753 self.buflist.append(s)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
754 self.len = self.pos = self.pos + len(s)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
755
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
756
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
757 def _write_ValueError(s):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
758 raise ValueError, "I/O operation on closed file"

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