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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 """
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Richard Jones <richard@users.sourceforge.net>
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15 Code generator for TALInterpreter intermediate code.
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16 """
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17
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18 import string
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19 import re
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20 import cgi
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21
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22 from TALDefs import *
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23
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24 class TALGenerator:
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25
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26 inMacroUse = 0
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27 inMacroDef = 0
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28 source_file = None
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29
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30 def __init__(self, expressionCompiler=None, xml=1, source_file=None):
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31 if not expressionCompiler:
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32 from DummyEngine import DummyEngine
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33 expressionCompiler = DummyEngine()
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34 self.expressionCompiler = expressionCompiler
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35 self.CompilerError = expressionCompiler.getCompilerError()
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36 self.program = []
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37 self.stack = []
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38 self.todoStack = []
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39 self.macros = {}
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40 self.slots = {}
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41 self.slotStack = []
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42 self.xml = xml
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43 self.emit("version", TAL_VERSION)
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44 self.emit("mode", xml and "xml" or "html")
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45 if source_file is not None:
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46 self.source_file = source_file
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47 self.emit("setSourceFile", source_file)
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48
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49 def getCode(self):
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50 assert not self.stack
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51 assert not self.todoStack
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52 return self.optimize(self.program), self.macros
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53
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54 def optimize(self, program):
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55 output = []
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56 collect = []
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57 rawseen = cursor = 0
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58 if self.xml:
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59 endsep = "/>"
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60 else:
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61 endsep = " />"
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62 for cursor in xrange(len(program)+1):
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63 try:
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64 item = program[cursor]
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65 except IndexError:
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66 item = (None, None)
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67 opcode = item[0]
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68 if opcode == "rawtext":
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69 collect.append(item[1])
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70 continue
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71 if opcode == "endTag":
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72 collect.append("</%s>" % item[1])
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73 continue
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74 if opcode == "startTag":
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75 if self.optimizeStartTag(collect, item[1], item[2], ">"):
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76 continue
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77 if opcode == "startEndTag":
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78 if self.optimizeStartTag(collect, item[1], item[2], endsep):
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79 continue
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80 if opcode in ("beginScope", "endScope"):
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81 # Push *Scope instructions in front of any text instructions;
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82 # this allows text instructions separated only by *Scope
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83 # instructions to be joined together.
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84 output.append(self.optimizeArgsList(item))
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85 continue
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86 text = string.join(collect, "")
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87 if text:
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88 i = string.rfind(text, "\n")
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89 if i >= 0:
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90 i = len(text) - (i + 1)
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91 output.append(("rawtextColumn", (text, i)))
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92 else:
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93 output.append(("rawtextOffset", (text, len(text))))
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94 if opcode != None:
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95 output.append(self.optimizeArgsList(item))
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96 rawseen = cursor+1
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97 collect = []
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98 return self.optimizeCommonTriple(output)
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99
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100 def optimizeArgsList(self, item):
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101 if len(item) == 2:
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102 return item
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103 else:
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104 return item[0], tuple(item[1:])
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105
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106 actionIndex = {"replace":0, "insert":1, "metal":2, "tal":3, "xmlns":4,
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107 0: 0, 1: 1, 2: 2, 3: 3, 4: 4}
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108 def optimizeStartTag(self, collect, name, attrlist, end):
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109 if not attrlist:
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110 collect.append("<%s%s" % (name, end))
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111 return 1
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112 opt = 1
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113 new = ["<" + name]
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114 for i in range(len(attrlist)):
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115 item = attrlist[i]
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116 if len(item) > 2:
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117 opt = 0
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118 name, value, action = item[:3]
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119 action = self.actionIndex[action]
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120 attrlist[i] = (name, value, action) + item[3:]
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121 else:
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122 if item[1] is None:
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123 s = item[0]
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124 else:
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125 s = "%s=%s" % (item[0], quote(item[1]))
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126 attrlist[i] = item[0], s
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127 if item[1] is None:
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128 new.append(" " + item[0])
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129 else:
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130 new.append(" %s=%s" % (item[0], quote(item[1])))
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131 if opt:
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132 new.append(end)
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133 collect.extend(new)
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134 return opt
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135
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136 def optimizeCommonTriple(self, program):
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137 if len(program) < 3:
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138 return program
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139 output = program[:2]
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140 prev2, prev1 = output
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141 for item in program[2:]:
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142 if ( item[0] == "beginScope"
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143 and prev1[0] == "setPosition"
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144 and prev2[0] == "rawtextColumn"):
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145 position = output.pop()[1]
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Richard Jones <richard@users.sourceforge.net>
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146 text, column = output.pop()[1]
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147 prev1 = None, None
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148 closeprev = 0
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149 if output and output[-1][0] == "endScope":
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150 closeprev = 1
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151 output.pop()
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152 item = ("rawtextBeginScope",
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153 (text, column, position, closeprev, item[1]))
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154 output.append(item)
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155 prev2 = prev1
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156 prev1 = item
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157 return output
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158
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159 def todoPush(self, todo):
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160 self.todoStack.append(todo)
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161
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162 def todoPop(self):
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163 return self.todoStack.pop()
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164
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165 def compileExpression(self, expr):
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166 try:
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167 return self.expressionCompiler.compile(expr)
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168 except self.CompilerError, err:
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169 raise TALError('%s in expression %s' % (err.args[0], `expr`),
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170 self.position)
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171
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172 def pushProgram(self):
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173 self.stack.append(self.program)
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174 self.program = []
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175
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Richard Jones <richard@users.sourceforge.net>
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176 def popProgram(self):
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177 program = self.program
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178 self.program = self.stack.pop()
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179 return self.optimize(program)
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180
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181 def pushSlots(self):
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182 self.slotStack.append(self.slots)
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Richard Jones <richard@users.sourceforge.net>
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183 self.slots = {}
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184
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Richard Jones <richard@users.sourceforge.net>
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185 def popSlots(self):
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186 slots = self.slots
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Richard Jones <richard@users.sourceforge.net>
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187 self.slots = self.slotStack.pop()
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Richard Jones <richard@users.sourceforge.net>
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188 return slots
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Richard Jones <richard@users.sourceforge.net>
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189
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190 def emit(self, *instruction):
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191 self.program.append(instruction)
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Richard Jones <richard@users.sourceforge.net>
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192
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Richard Jones <richard@users.sourceforge.net>
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193 def emitStartTag(self, name, attrlist, isend=0):
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Richard Jones <richard@users.sourceforge.net>
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|
194 if isend:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
195 opcode = "startEndTag"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
196 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
197 opcode = "startTag"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
198 self.emit(opcode, name, attrlist)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
199
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
200 def emitEndTag(self, name):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
201 if self.xml and self.program and self.program[-1][0] == "startTag":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
202 # Minimize empty element
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
203 self.program[-1] = ("startEndTag",) + self.program[-1][1:]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
204 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
205 self.emit("endTag", name)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
206
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
207 def emitOptTag(self, name, optTag, isend):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
208 program = self.popProgram() #block
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
209 start = self.popProgram() #start tag
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
210 if (isend or not program) and self.xml:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
211 # Minimize empty element
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
212 start[-1] = ("startEndTag",) + start[-1][1:]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
213 isend = 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
214 cexpr = optTag[0]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
215 if cexpr:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
216 cexpr = self.compileExpression(optTag[0])
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
217 self.emit("optTag", name, cexpr, optTag[1], isend, start, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
218
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
219 def emitRawText(self, text):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
220 self.emit("rawtext", text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
221
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
222 def emitText(self, text):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
223 self.emitRawText(cgi.escape(text))
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
224
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
225 def emitDefines(self, defines):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
226 for part in splitParts(defines):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
227 m = re.match(
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
228 r"(?s)\s*(?:(global|local)\s+)?(%s)\s+(.*)\Z" % NAME_RE, part)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
229 if not m:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
230 raise TALError("invalid define syntax: " + `part`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
231 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
232 scope, name, expr = m.group(1, 2, 3)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
233 scope = scope or "local"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
234 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
235 if scope == "local":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
236 self.emit("setLocal", name, cexpr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
237 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
238 self.emit("setGlobal", name, cexpr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
239
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
240 def emitOnError(self, name, onError):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
241 block = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
242 key, expr = parseSubstitution(onError)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
243 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
244 if key == "text":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
245 self.emit("insertText", cexpr, [])
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
246 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
247 assert key == "structure"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
248 self.emit("insertStructure", cexpr, {}, [])
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
249 self.emitEndTag(name)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
250 handler = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
251 self.emit("onError", block, handler)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
252
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
253 def emitCondition(self, expr):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
254 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
255 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
256 self.emit("condition", cexpr, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
257
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
258 def emitRepeat(self, arg):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
259 m = re.match("(?s)\s*(%s)\s+(.*)\Z" % NAME_RE, arg)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
260 if not m:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
261 raise TALError("invalid repeat syntax: " + `arg`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
262 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
263 name, expr = m.group(1, 2)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
264 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
265 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
266 self.emit("loop", name, cexpr, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
267
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
268 def emitSubstitution(self, arg, attrDict={}):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
269 key, expr = parseSubstitution(arg)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
270 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
271 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
272 if key == "text":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
273 self.emit("insertText", cexpr, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
274 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
275 assert key == "structure"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
276 self.emit("insertStructure", cexpr, attrDict, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
277
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
278 def emitDefineMacro(self, macroName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
279 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
280 macroName = string.strip(macroName)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
281 if self.macros.has_key(macroName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
282 raise METALError("duplicate macro definition: %s" % `macroName`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
283 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
284 if not re.match('%s$' % NAME_RE, macroName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
285 raise METALError("invalid macro name: %s" % `macroName`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
286 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
287 self.macros[macroName] = program
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
288 self.inMacroDef = self.inMacroDef - 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
289 self.emit("defineMacro", macroName, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
290
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
291 def emitUseMacro(self, expr):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
292 cexpr = self.compileExpression(expr)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
293 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
294 self.inMacroUse = 0
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
295 self.emit("useMacro", expr, cexpr, self.popSlots(), program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
296
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
297 def emitDefineSlot(self, slotName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
298 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
299 slotName = string.strip(slotName)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
300 if not re.match('%s$' % NAME_RE, slotName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
301 raise METALError("invalid slot name: %s" % `slotName`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
302 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
303 self.emit("defineSlot", slotName, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
304
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
305 def emitFillSlot(self, slotName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
306 program = self.popProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
307 slotName = string.strip(slotName)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
308 if self.slots.has_key(slotName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
309 raise METALError("duplicate fill-slot name: %s" % `slotName`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
310 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
311 if not re.match('%s$' % NAME_RE, slotName):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
312 raise METALError("invalid slot name: %s" % `slotName`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
313 self.position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
314 self.slots[slotName] = program
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
315 self.inMacroUse = 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
316 self.emit("fillSlot", slotName, program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
317
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
318 def unEmitWhitespace(self):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
319 collect = []
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
320 i = len(self.program) - 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
321 while i >= 0:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
322 item = self.program[i]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
323 if item[0] != "rawtext":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
324 break
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
325 text = item[1]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
326 if not re.match(r"\A\s*\Z", text):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
327 break
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
328 collect.append(text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
329 i = i-1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
330 del self.program[i+1:]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
331 if i >= 0 and self.program[i][0] == "rawtext":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
332 text = self.program[i][1]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
333 m = re.search(r"\s+\Z", text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
334 if m:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
335 self.program[i] = ("rawtext", text[:m.start()])
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
336 collect.append(m.group())
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
337 collect.reverse()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
338 return string.join(collect, "")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
339
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
340 def unEmitNewlineWhitespace(self):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
341 collect = []
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
342 i = len(self.program)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
343 while i > 0:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
344 i = i-1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
345 item = self.program[i]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
346 if item[0] != "rawtext":
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
347 break
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
348 text = item[1]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
349 if re.match(r"\A[ \t]*\Z", text):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
350 collect.append(text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
351 continue
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
352 m = re.match(r"(?s)^(.*)(\n[ \t]*)\Z", text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
353 if not m:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
354 break
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
355 text, rest = m.group(1, 2)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
356 collect.reverse()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
357 rest = rest + string.join(collect, "")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
358 del self.program[i:]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
359 if text:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
360 self.emit("rawtext", text)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
361 return rest
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
362 return None
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
363
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
364 def replaceAttrs(self, attrlist, repldict):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
365 if not repldict:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
366 return attrlist
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
367 newlist = []
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
368 for item in attrlist:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
369 key = item[0]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
370 if repldict.has_key(key):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
371 item = item[:2] + ("replace", repldict[key])
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
372 del repldict[key]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
373 newlist.append(item)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
374 for key, value in repldict.items(): # Add dynamic-only attributes
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
375 item = (key, None, "insert", value)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
376 newlist.append(item)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
377 return newlist
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
378
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
379 def emitStartElement(self, name, attrlist, taldict, metaldict,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
380 position=(None, None), isend=0):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
381 if not taldict and not metaldict:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
382 # Handle the simple, common case
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
383 self.emitStartTag(name, attrlist, isend)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
384 self.todoPush({})
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
385 if isend:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
386 self.emitEndElement(name, isend)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
387 return
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
388
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
389 self.position = position
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
390 for key, value in taldict.items():
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
391 if key not in KNOWN_TAL_ATTRIBUTES:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
392 raise TALError("bad TAL attribute: " + `key`, position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
393 if not (value or key == 'omit-tag'):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
394 raise TALError("missing value for TAL attribute: " +
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
395 `key`, position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
396 for key, value in metaldict.items():
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
397 if key not in KNOWN_METAL_ATTRIBUTES:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
398 raise METALError("bad METAL attribute: " + `key`,
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
399 position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
400 if not value:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
401 raise TALError("missing value for METAL attribute: " +
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
402 `key`, position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
403 todo = {}
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
404 defineMacro = metaldict.get("define-macro")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
405 useMacro = metaldict.get("use-macro")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
406 defineSlot = metaldict.get("define-slot")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
407 fillSlot = metaldict.get("fill-slot")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
408 define = taldict.get("define")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
409 condition = taldict.get("condition")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
410 repeat = taldict.get("repeat")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
411 content = taldict.get("content")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
412 replace = taldict.get("replace")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
413 attrsubst = taldict.get("attributes")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
414 onError = taldict.get("on-error")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
415 omitTag = taldict.get("omit-tag")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
416 TALtag = taldict.get("tal tag")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
417 if len(metaldict) > 1 and (defineMacro or useMacro):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
418 raise METALError("define-macro and use-macro cannot be used "
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
419 "together or with define-slot or fill-slot",
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
420 position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
421 if content and replace:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
422 raise TALError("content and replace are mutually exclusive",
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
423 position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
424
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
425 repeatWhitespace = None
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
426 if repeat:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
427 # Hack to include preceding whitespace in the loop program
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
428 repeatWhitespace = self.unEmitNewlineWhitespace()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
429 if position != (None, None):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
430 # XXX at some point we should insist on a non-trivial position
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
431 self.emit("setPosition", position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
432 if self.inMacroUse:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
433 if fillSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
434 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
435 if self.source_file is not None:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
436 self.emit("setSourceFile", self.source_file)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
437 todo["fillSlot"] = fillSlot
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
438 self.inMacroUse = 0
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
439 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
440 if fillSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
441 raise METALError, ("fill-slot must be within a use-macro",
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
442 position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
443 if not self.inMacroUse:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
444 if defineMacro:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
445 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
446 self.emit("version", TAL_VERSION)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
447 self.emit("mode", self.xml and "xml" or "html")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
448 if self.source_file is not None:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
449 self.emit("setSourceFile", self.source_file)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
450 todo["defineMacro"] = defineMacro
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
451 self.inMacroDef = self.inMacroDef + 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
452 if useMacro:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
453 self.pushSlots()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
454 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
455 todo["useMacro"] = useMacro
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
456 self.inMacroUse = 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
457 if defineSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
458 if not self.inMacroDef:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
459 raise METALError, (
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
460 "define-slot must be within a define-macro",
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
461 position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
462 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
463 todo["defineSlot"] = defineSlot
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
464
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
465 if taldict:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
466 dict = {}
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
467 for item in attrlist:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
468 key, value = item[:2]
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
469 dict[key] = value
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
470 self.emit("beginScope", dict)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
471 todo["scope"] = 1
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
472 if onError:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
473 self.pushProgram() # handler
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
474 self.emitStartTag(name, list(attrlist)) # Must copy attrlist!
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
475 self.pushProgram() # block
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
476 todo["onError"] = onError
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
477 if define:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
478 self.emitDefines(define)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
479 todo["define"] = define
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
480 if condition:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
481 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
482 todo["condition"] = condition
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
483 if repeat:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
484 todo["repeat"] = repeat
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
485 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
486 if repeatWhitespace:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
487 self.emitText(repeatWhitespace)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
488 if content:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
489 todo["content"] = content
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
490 if replace:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
491 todo["replace"] = replace
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
492 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
493 optTag = omitTag is not None or TALtag
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
494 if optTag:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
495 todo["optional tag"] = omitTag, TALtag
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
496 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
497 if attrsubst:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
498 repldict = parseAttributeReplacements(attrsubst)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
499 for key, value in repldict.items():
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
500 repldict[key] = self.compileExpression(value)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
501 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
502 repldict = {}
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
503 if replace:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
504 todo["repldict"] = repldict
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
505 repldict = {}
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
506 self.emitStartTag(name, self.replaceAttrs(attrlist, repldict), isend)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
507 if optTag:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
508 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
509 if content:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
510 self.pushProgram()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
511 if todo and position != (None, None):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
512 todo["position"] = position
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
513 self.todoPush(todo)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
514 if isend:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
515 self.emitEndElement(name, isend)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
516
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
517 def emitEndElement(self, name, isend=0, implied=0):
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
518 todo = self.todoPop()
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
519 if not todo:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
520 # Shortcut
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
521 if not isend:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
522 self.emitEndTag(name)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
523 return
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
524
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
525 self.position = position = todo.get("position", (None, None))
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
526 defineMacro = todo.get("defineMacro")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
527 useMacro = todo.get("useMacro")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
528 defineSlot = todo.get("defineSlot")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
529 fillSlot = todo.get("fillSlot")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
530 repeat = todo.get("repeat")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
531 content = todo.get("content")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
532 replace = todo.get("replace")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
533 condition = todo.get("condition")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
534 onError = todo.get("onError")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
535 define = todo.get("define")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
536 repldict = todo.get("repldict", {})
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
537 scope = todo.get("scope")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
538 optTag = todo.get("optional tag")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
539
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
540 if implied > 0:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
541 if defineMacro or useMacro or defineSlot or fillSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
542 exc = METALError
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
543 what = "METAL"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
544 else:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
545 exc = TALError
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
546 what = "TAL"
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
547 raise exc("%s attributes on <%s> require explicit </%s>" %
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
548 (what, name, name), position)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
549
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
550 if content:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
551 self.emitSubstitution(content, {})
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
552 if optTag:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
553 self.emitOptTag(name, optTag, isend)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
554 elif not isend:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
555 self.emitEndTag(name)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
556 if replace:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
557 self.emitSubstitution(replace, repldict)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
558 if repeat:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
559 self.emitRepeat(repeat)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
560 if condition:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
561 self.emitCondition(condition)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
562 if onError:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
563 self.emitOnError(name, onError)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
564 if scope:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
565 self.emit("endScope")
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
566 if defineSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
567 self.emitDefineSlot(defineSlot)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
568 if fillSlot:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
569 self.emitFillSlot(fillSlot)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
570 if useMacro:
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
571 self.emitUseMacro(useMacro)
|
Richard Jones <richard@users.sourceforge.net>
parents:
diff
changeset
|
572 if defineMacro:
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573 self.emitDefineMacro(defineMacro)
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574
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575 def test():
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576 t = TALGenerator()
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577 t.pushProgram()
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578 t.emit("bar")
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579 p = t.popProgram()
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580 t.emit("foo", p)
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581
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582 if __name__ == "__main__":
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583 test()
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