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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:14 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:14 -0800 |
commit | 1c0fed63c71ddb230f3b304aac12caffbedf2f21 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /icu/src/main/native/RegExInterface.cpp | |
parent | 2fb02ef3025449e24e756a7f645ea6eab7a1fd4f (diff) | |
download | libcore-1c0fed63c71ddb230f3b304aac12caffbedf2f21.zip libcore-1c0fed63c71ddb230f3b304aac12caffbedf2f21.tar.gz libcore-1c0fed63c71ddb230f3b304aac12caffbedf2f21.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'icu/src/main/native/RegExInterface.cpp')
-rw-r--r-- | icu/src/main/native/RegExInterface.cpp | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/icu/src/main/native/RegExInterface.cpp b/icu/src/main/native/RegExInterface.cpp deleted file mode 100644 index afa5cc4..0000000 --- a/icu/src/main/native/RegExInterface.cpp +++ /dev/null @@ -1,373 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "unicode/uregex.h" -#include "unicode/utypes.h" -#include "unicode/parseerr.h" - -#include <jni.h> -#include <JNIHelp.h> - -static jchar EMPTY_STRING = 0; - -/** - * A data structure that ties together an ICU regular expression and the - * character data it refers to (but does not have a copy of), so we can - * manage memory properly. - */ -typedef struct RegExDataStruct { - // A pointer to the ICU regular expression - URegularExpression* regex; - // A pointer to (a copy of) the input text that *we* manage - jchar* text; -} RegExData; - -static void throwPatternSyntaxException(JNIEnv* env, UErrorCode status, - jstring pattern, UParseError error) -{ - jclass clazz = env->FindClass("java/util/regex/PatternSyntaxException"); - jmethodID method = env->GetMethodID(clazz, "<init>", - "(Ljava/lang/String;Ljava/lang/String;I)V"); - - jstring message = env->NewStringUTF(u_errorName(status)); - jthrowable except = (jthrowable)(env->NewObject(clazz, method, message, - pattern, error.offset)); - env->Throw(except); -} - -static void throwRuntimeException(JNIEnv* env, UErrorCode status) -{ - jniThrowException(env, "java/lang/RuntimeException", u_errorName(status)); -} - -static void _close(JNIEnv* env, jclass clazz, RegExData* data) -{ - if (data->regex != NULL) { - uregex_close(data->regex); - } - - if (data->text != NULL && data->text != &EMPTY_STRING) { - free(data->text); - } - - free(data); -} - -static RegExData* open(JNIEnv* env, jclass clazz, jstring pattern, jint flags) -{ - flags = flags | UREGEX_ERROR_ON_UNKNOWN_ESCAPES; - - RegExData* data = (RegExData*)calloc(sizeof(RegExData), 1); - - UErrorCode status = U_ZERO_ERROR; - UParseError error; - error.offset = -1; - - jchar const * patternRaw; - int patternLen = env->GetStringLength(pattern); - if (patternLen == 0) { - data->regex = uregex_open(&EMPTY_STRING, -1, flags, &error, &status); - } else { - jchar const * patternRaw = env->GetStringChars(pattern, NULL); - data->regex = uregex_open(patternRaw, patternLen, flags, &error, - &status); - env->ReleaseStringChars(pattern, patternRaw); - } - - if (!U_SUCCESS(status)) { - _close(env, clazz, data); - throwPatternSyntaxException(env, status, pattern, error); - data = NULL; - } - - return data; -} - -static RegExData* _clone(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - - URegularExpression* clonedRegex = uregex_clone(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - RegExData* result = (RegExData*)calloc(sizeof(RegExData), 1); - result->regex = clonedRegex; - - return result; -} - -static void setText(JNIEnv* env, jclass clazz, RegExData* data, jstring text) -{ - UErrorCode status = U_ZERO_ERROR; - - uregex_setText(data->regex, &EMPTY_STRING, 0, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - return; - } - - if (data->text != NULL && data->text != &EMPTY_STRING) { - free(data->text); - data->text = NULL; - } - - int textLen = env->GetStringLength(text); - if (textLen == 0) { - data->text = &EMPTY_STRING; - } else { - jchar const * textRaw = env->GetStringChars(text, NULL); - data->text = (jchar*)malloc((textLen + 1) * sizeof(jchar)); - memcpy(data->text, textRaw, textLen * sizeof(jchar)); - data->text[textLen] = 0; - env->ReleaseStringChars(text, textRaw); - } - - uregex_setText(data->regex, data->text, textLen, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -static jboolean matches(JNIEnv* env, jclass clazz, RegExData* data, - jint startIndex) -{ - UErrorCode status = U_ZERO_ERROR; - - jboolean result = uregex_matches(data->regex, startIndex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - return result; -} - -static jboolean lookingAt(JNIEnv* env, jclass clazz, RegExData* data, - jint startIndex) -{ - UErrorCode status = U_ZERO_ERROR; - - jboolean result = uregex_lookingAt(data->regex, startIndex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - return result; -} - -static jboolean find(JNIEnv* env, jclass clazz, RegExData* data, - jint startIndex) -{ - UErrorCode status = U_ZERO_ERROR; - - jboolean result = uregex_find(data->regex, startIndex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - return result; -} - -static jboolean findNext(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - - jboolean result = uregex_findNext(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - return result; -} - -static jint groupCount(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - - jint result = uregex_groupCount(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - - return result; -} - -static void startEnd(JNIEnv* env, jclass clazz, RegExData* data, - jintArray offsets) -{ - UErrorCode status = U_ZERO_ERROR; - - jint * offsetsRaw = env->GetIntArrayElements(offsets, NULL); - - int groupCount = uregex_groupCount(data->regex, &status); - for (int i = 0; i <= groupCount && U_SUCCESS(status); i++) { - offsetsRaw[2 * i + 0] = uregex_start(data->regex, i, &status); - offsetsRaw[2 * i + 1] = uregex_end(data->regex, i, &status); - } - - env->ReleaseIntArrayElements(offsets, offsetsRaw, 0); - - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -static void setRegion(JNIEnv* env, jclass clazz, RegExData* data, jint start, - jint end) -{ - UErrorCode status = U_ZERO_ERROR; - uregex_setRegion(data->regex, start, end, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -static jint regionStart(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - int result = uregex_regionStart(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static jint regionEnd(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - int result = uregex_regionEnd(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static void useTransparentBounds(JNIEnv* env, jclass clazz, RegExData* data, - jboolean value) -{ - UErrorCode status = U_ZERO_ERROR; - uregex_useTransparentBounds(data->regex, value, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -static jboolean hasTransparentBounds(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - jboolean result = uregex_hasTransparentBounds(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static void useAnchoringBounds(JNIEnv* env, jclass clazz, RegExData* data, - jboolean value) -{ - UErrorCode status = U_ZERO_ERROR; - uregex_useAnchoringBounds(data->regex, value, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -static jboolean hasAnchoringBounds(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - jboolean result = uregex_hasAnchoringBounds(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static jboolean hitEnd(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - jboolean result = uregex_hitEnd(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static jboolean requireEnd(JNIEnv* env, jclass clazz, RegExData* data) -{ - UErrorCode status = U_ZERO_ERROR; - jboolean result = uregex_requireEnd(data->regex, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } - return result; -} - -static void reset(JNIEnv* env, jclass clazz, RegExData* data, jint position) -{ - UErrorCode status = U_ZERO_ERROR; - uregex_reset(data->regex, position, &status); - if (!U_SUCCESS(status)) { - throwRuntimeException(env, status); - } -} - -/* - * JNI registration. - */ -static JNINativeMethod sMethods[] = { - /* name, signature, funcPtr */ - { "open", "(Ljava/lang/String;I)I", (void*)open }, - { "clone", "(I)I", (void*)_clone }, - { "close", "(I)V", (void*)_close }, - { "setText", "(ILjava/lang/String;)V", (void*)setText }, - { "matches", "(II)Z", (void*)matches }, - { "lookingAt", "(II)Z", (void*)lookingAt }, - { "find", "(II)Z", (void*)find }, - { "findNext", "(I)Z", (void*)findNext }, - { "groupCount", "(I)I", (void*)groupCount }, - { "startEnd", "(I[I)V", (void*)startEnd }, - { "setRegion", "(III)V", (void*)setRegion }, - { "regionStart", "(I)I", (void*)regionStart }, - { "regionEnd", "(I)I", (void*)regionEnd }, - { "useTransparentBounds", "(IZ)V", (void*)useTransparentBounds }, - { "hasTransparentBounds", "(I)Z", (void*)hasTransparentBounds }, - { "useAnchoringBounds", "(IZ)V", (void*)useAnchoringBounds }, - { "hasAnchoringBounds", "(I)Z", (void*)hasAnchoringBounds }, - { "hitEnd", "(I)Z", (void*)hitEnd }, - { "requireEnd", "(I)Z", (void*)requireEnd }, - { "reset", "(II)V", (void*)reset } -}; - -extern "C" int register_com_ibm_icu4jni_regex_NativeRegEx(JNIEnv* env) -{ - jclass clazz; - - clazz = env->FindClass("com/ibm/icu4jni/regex/NativeRegEx"); - if (clazz == NULL) { - return -1; - } - - if (env->RegisterNatives(clazz, sMethods, NELEM(sMethods)) < 0) { - return -1; - } - - return 0; -} |