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395 lines (289 loc) · 13.5 KB
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#include "herb_jni.h"
#include "extension_helpers.h"
#include "nodes.h"
#include "../../src/include/extract.h"
#include "../../src/include/herb.h"
#include "../../src/include/diff/herb_diff.h"
#include "../../src/include/lib/hb_allocator.h"
#include "../../src/include/lib/hb_buffer.h"
#include <stdlib.h>
#include <string.h>
JNIEXPORT jstring JNICALL
Java_org_herb_Herb_herbVersion(JNIEnv* env, jclass clazz) {
const char* version = herb_version();
return (*env)->NewStringUTF(env, version);
}
JNIEXPORT jstring JNICALL
Java_org_herb_Herb_prismVersion(JNIEnv* env, jclass clazz) {
const char* version = herb_prism_version();
return (*env)->NewStringUTF(env, version);
}
JNIEXPORT jobject JNICALL
Java_org_herb_Herb_parse(JNIEnv* env, jclass clazz, jstring source, jobject options) {
const char* src = (*env)->GetStringUTFChars(env, source, 0);
parser_options_T parser_options = HERB_DEFAULT_PARSER_OPTIONS;
if (options != NULL) {
jclass optionsClass = (*env)->GetObjectClass(env, options);
jmethodID getTrackWhitespace =
(*env)->GetMethodID(env, optionsClass, "isTrackWhitespace", "()Z");
if (getTrackWhitespace != NULL) {
jboolean trackWhitespace = (*env)->CallBooleanMethod(env, options, getTrackWhitespace);
if (trackWhitespace == JNI_TRUE) {
parser_options.track_whitespace = true;
}
}
jmethodID getAnalyze =
(*env)->GetMethodID(env, optionsClass, "isAnalyze", "()Z");
if (getAnalyze != NULL) {
jboolean analyze = (*env)->CallBooleanMethod(env, options, getAnalyze);
if (analyze == JNI_FALSE) {
parser_options.analyze = false;
}
}
jmethodID getStrict =
(*env)->GetMethodID(env, optionsClass, "isStrict", "()Z");
if (getStrict != NULL) {
jboolean strict = (*env)->CallBooleanMethod(env, options, getStrict);
parser_options.strict = (strict == JNI_TRUE);
}
jmethodID getActionViewHelpers =
(*env)->GetMethodID(env, optionsClass, "isActionViewHelpers", "()Z");
if (getActionViewHelpers != NULL) {
jboolean actionViewHelpers = (*env)->CallBooleanMethod(env, options, getActionViewHelpers);
parser_options.action_view_helpers = (actionViewHelpers == JNI_TRUE);
}
jmethodID getTransformConditionals =
(*env)->GetMethodID(env, optionsClass, "isTransformConditionals", "()Z");
if (getTransformConditionals != NULL) {
jboolean transformConditionals = (*env)->CallBooleanMethod(env, options, getTransformConditionals);
parser_options.transform_conditionals = (transformConditionals == JNI_TRUE);
}
jmethodID getRenderNodes =
(*env)->GetMethodID(env, optionsClass, "isRenderNodes", "()Z");
if (getRenderNodes != NULL) {
jboolean renderNodes = (*env)->CallBooleanMethod(env, options, getRenderNodes);
parser_options.render_nodes = (renderNodes == JNI_TRUE);
}
jmethodID getStrictLocals =
(*env)->GetMethodID(env, optionsClass, "isStrictLocals", "()Z");
if (getStrictLocals != NULL) {
jboolean strictLocals = (*env)->CallBooleanMethod(env, options, getStrictLocals);
parser_options.strict_locals = (strictLocals == JNI_TRUE);
}
jmethodID getPrismNodes =
(*env)->GetMethodID(env, optionsClass, "isPrismNodes", "()Z");
if (getPrismNodes != NULL) {
jboolean prismNodes = (*env)->CallBooleanMethod(env, options, getPrismNodes);
parser_options.prism_nodes = (prismNodes == JNI_TRUE);
}
jmethodID getPrismNodesDeep =
(*env)->GetMethodID(env, optionsClass, "isPrismNodesDeep", "()Z");
if (getPrismNodesDeep != NULL) {
jboolean prismNodesDeep = (*env)->CallBooleanMethod(env, options, getPrismNodesDeep);
parser_options.prism_nodes_deep = (prismNodesDeep == JNI_TRUE);
}
jmethodID getPrismProgram =
(*env)->GetMethodID(env, optionsClass, "isPrismProgram", "()Z");
if (getPrismProgram != NULL) {
jboolean prismProgram = (*env)->CallBooleanMethod(env, options, getPrismProgram);
parser_options.prism_program = (prismProgram == JNI_TRUE);
}
jmethodID getDotNotationTags =
(*env)->GetMethodID(env, optionsClass, "isDotNotationTags", "()Z");
if (getDotNotationTags != NULL) {
jboolean dotNotationTags = (*env)->CallBooleanMethod(env, options, getDotNotationTags);
parser_options.dot_notation_tags = (dotNotationTags == JNI_TRUE);
}
jmethodID getHtml =
(*env)->GetMethodID(env, optionsClass, "isHtml", "()Z");
if (getHtml != NULL) {
jboolean html = (*env)->CallBooleanMethod(env, options, getHtml);
parser_options.html = (html == JNI_TRUE);
}
}
hb_allocator_T allocator;
if (!hb_allocator_init(&allocator, HB_ALLOCATOR_ARENA)) {
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
AST_DOCUMENT_NODE_T* ast = herb_parse(src, &parser_options, &allocator);
jobject result = CreateParseResult(env, ast, source);
ast_node_free((AST_NODE_T*) ast, &allocator);
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return result;
}
JNIEXPORT jobject JNICALL
Java_org_herb_Herb_lex(JNIEnv* env, jclass clazz, jstring source) {
const char* src = (*env)->GetStringUTFChars(env, source, 0);
hb_allocator_T allocator;
if (!hb_allocator_init(&allocator, HB_ALLOCATOR_ARENA)) {
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
hb_array_T* tokens = herb_lex(src, &allocator);
jobject result = CreateLexResult(env, tokens, source);
herb_free_tokens(&tokens, &allocator);
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return result;
}
JNIEXPORT jstring JNICALL
Java_org_herb_Herb_extractRuby(JNIEnv* env, jclass clazz, jstring source, jobject options) {
const char* src = (*env)->GetStringUTFChars(env, source, 0);
hb_allocator_T allocator;
if (!hb_allocator_init(&allocator, HB_ALLOCATOR_ARENA)) {
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
hb_buffer_T output;
if (!hb_buffer_init(&output, strlen(src), &allocator)) {
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
herb_extract_ruby_options_T extract_options = HERB_EXTRACT_RUBY_DEFAULT_OPTIONS;
if (options != NULL) {
jclass optionsClass = (*env)->GetObjectClass(env, options);
jmethodID getSemicolons = (*env)->GetMethodID(env, optionsClass, "isSemicolons", "()Z");
if (getSemicolons != NULL) {
jboolean semicolons = (*env)->CallBooleanMethod(env, options, getSemicolons);
extract_options.semicolons = (semicolons == JNI_TRUE);
}
jmethodID getComments = (*env)->GetMethodID(env, optionsClass, "isComments", "()Z");
if (getComments != NULL) {
jboolean comments = (*env)->CallBooleanMethod(env, options, getComments);
extract_options.comments = (comments == JNI_TRUE);
}
jmethodID getPreservePositions = (*env)->GetMethodID(env, optionsClass, "isPreservePositions", "()Z");
if (getPreservePositions != NULL) {
jboolean preservePositions = (*env)->CallBooleanMethod(env, options, getPreservePositions);
extract_options.preserve_positions = (preservePositions == JNI_TRUE);
}
}
herb_extract_ruby_to_buffer_with_options(src, &output, &extract_options, &allocator);
jstring result = (*env)->NewStringUTF(env, output.value);
hb_buffer_free(&output);
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return result;
}
JNIEXPORT jbyteArray JNICALL
Java_org_herb_Herb_parseRuby(JNIEnv* env, jclass clazz, jstring source) {
const char* src = (*env)->GetStringUTFChars(env, source, 0);
size_t src_len = strlen(src);
herb_ruby_parse_result_T* parse_result = herb_parse_ruby(src, src_len);
if (!parse_result) {
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
pm_buffer_t buffer = { 0 };
pm_serialize(&parse_result->parser, parse_result->root, &buffer);
jbyteArray result = NULL;
if (buffer.length > 0) {
result = (*env)->NewByteArray(env, (jsize) buffer.length);
(*env)->SetByteArrayRegion(env, result, 0, (jsize) buffer.length, (const jbyte*) buffer.value);
}
pm_buffer_free(&buffer);
herb_free_ruby_parse_result(parse_result);
(*env)->ReleaseStringUTFChars(env, source, src);
return result;
}
JNIEXPORT jobject JNICALL
Java_org_herb_Herb_diff(JNIEnv* env, jclass clazz, jstring old_source, jstring new_source) {
const char* old_src = (*env)->GetStringUTFChars(env, old_source, 0);
const char* new_src = (*env)->GetStringUTFChars(env, new_source, 0);
hb_allocator_T old_allocator;
hb_allocator_T new_allocator;
hb_allocator_T diff_allocator;
if (!hb_allocator_init(&old_allocator, HB_ALLOCATOR_ARENA)) {
(*env)->ReleaseStringUTFChars(env, old_source, old_src);
(*env)->ReleaseStringUTFChars(env, new_source, new_src);
return NULL;
}
if (!hb_allocator_init(&new_allocator, HB_ALLOCATOR_ARENA)) {
hb_allocator_destroy(&old_allocator);
(*env)->ReleaseStringUTFChars(env, old_source, old_src);
(*env)->ReleaseStringUTFChars(env, new_source, new_src);
return NULL;
}
if (!hb_allocator_init(&diff_allocator, HB_ALLOCATOR_ARENA)) {
hb_allocator_destroy(&old_allocator);
hb_allocator_destroy(&new_allocator);
(*env)->ReleaseStringUTFChars(env, old_source, old_src);
(*env)->ReleaseStringUTFChars(env, new_source, new_src);
return NULL;
}
parser_options_T parser_options = HERB_DEFAULT_PARSER_OPTIONS;
AST_DOCUMENT_NODE_T* old_root = herb_parse(old_src, &parser_options, &old_allocator);
AST_DOCUMENT_NODE_T* new_root = herb_parse(new_src, &parser_options, &new_allocator);
if (old_root == NULL || new_root == NULL) {
if (old_root != NULL) { ast_node_free((AST_NODE_T*) old_root, &old_allocator); }
if (new_root != NULL) { ast_node_free((AST_NODE_T*) new_root, &new_allocator); }
hb_allocator_destroy(&diff_allocator);
hb_allocator_destroy(&old_allocator);
hb_allocator_destroy(&new_allocator);
(*env)->ReleaseStringUTFChars(env, old_source, old_src);
(*env)->ReleaseStringUTFChars(env, new_source, new_src);
return NULL;
}
herb_diff_result_T* diff_result = herb_diff(old_root, new_root, &diff_allocator);
jclass diff_result_class = (*env)->FindClass(env, "org/herb/DiffResult");
jclass diff_operation_class = (*env)->FindClass(env, "org/herb/DiffOperation");
jclass array_list_class = (*env)->FindClass(env, "java/util/ArrayList");
jmethodID diff_result_constructor = (*env)->GetMethodID(env, diff_result_class, "<init>", "(ZLjava/util/List;)V");
jmethodID diff_operation_constructor = (*env)->GetMethodID(env, diff_operation_class, "<init>", "(Ljava/lang/String;[ILjava/lang/Object;Ljava/lang/Object;II)V");
jmethodID array_list_constructor = (*env)->GetMethodID(env, array_list_class, "<init>", "()V");
jmethodID array_list_add = (*env)->GetMethodID(env, array_list_class, "add", "(Ljava/lang/Object;)Z");
jobject operations_list = (*env)->NewObject(env, array_list_class, array_list_constructor);
size_t operation_count = herb_diff_operation_count(diff_result);
for (size_t index = 0; index < operation_count; index++) {
const herb_diff_operation_T* operation = herb_diff_operation_at(diff_result, index);
jstring type_string = (*env)->NewStringUTF(env, herb_diff_operation_type_to_string(operation->type));
jintArray path_array = (*env)->NewIntArray(env, operation->path.depth);
jint* path_elements = (*env)->GetIntArrayElements(env, path_array, NULL);
for (uint16_t path_index = 0; path_index < operation->path.depth; path_index++) {
path_elements[path_index] = (jint) operation->path.indices[path_index];
}
(*env)->ReleaseIntArrayElements(env, path_array, path_elements, 0);
jobject old_node = operation->old_node != NULL ? CreateASTNode(env, (AST_NODE_T*) operation->old_node) : NULL;
jobject new_node = operation->new_node != NULL ? CreateASTNode(env, (AST_NODE_T*) operation->new_node) : NULL;
jobject diff_operation = (*env)->NewObject(
env, diff_operation_class, diff_operation_constructor,
type_string, path_array, old_node, new_node,
(jint) operation->old_index, (jint) operation->new_index
);
(*env)->CallBooleanMethod(env, operations_list, array_list_add, diff_operation);
}
jboolean identical = herb_diff_trees_identical(diff_result) ? JNI_TRUE : JNI_FALSE;
jobject result = (*env)->NewObject(env, diff_result_class, diff_result_constructor, identical, operations_list);
ast_node_free((AST_NODE_T*) old_root, &old_allocator);
ast_node_free((AST_NODE_T*) new_root, &new_allocator);
hb_allocator_destroy(&diff_allocator);
hb_allocator_destroy(&old_allocator);
hb_allocator_destroy(&new_allocator);
(*env)->ReleaseStringUTFChars(env, old_source, old_src);
(*env)->ReleaseStringUTFChars(env, new_source, new_src);
return result;
}
JNIEXPORT jstring JNICALL
Java_org_herb_Herb_extractHTML(JNIEnv* env, jclass clazz, jstring source) {
const char* src = (*env)->GetStringUTFChars(env, source, 0);
hb_allocator_T allocator;
if (!hb_allocator_init(&allocator, HB_ALLOCATOR_ARENA)) {
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
hb_buffer_T output;
if (!hb_buffer_init(&output, strlen(src), &allocator)) {
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return NULL;
}
herb_extract_html_to_buffer(src, &output, &allocator);
jstring result = (*env)->NewStringUTF(env, output.value);
hb_buffer_free(&output);
hb_allocator_destroy(&allocator);
(*env)->ReleaseStringUTFChars(env, source, src);
return result;
}