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ICU-6149 Use traditional ICU C callback declarations.

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X-SVN-Rev: 23481
This commit is contained in:
George Rhoten 2008-02-25 21:21:47 +00:00
parent c905bdfa76
commit fe7e42eace
4 changed files with 113 additions and 111 deletions
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4
icu4c/source/i18n/rematch.cpp
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@ -1207,7 +1207,7 @@ int32_t RegexMatcher::getStackLimit() const {
// setMatchCallback
//
//--------------------------------------------------------------------------------
void RegexMatcher::setMatchCallback(URegexMatchCallback callback,
void RegexMatcher::setMatchCallback(URegexMatchCallback *callback,
const void *context,
UErrorCode &status) {
if (U_FAILURE(status)) {
@ -1223,7 +1223,7 @@ void RegexMatcher::setMatchCallback(URegexMatchCallback callback,
// getMatchCallback
//
//--------------------------------------------------------------------------------
void RegexMatcher::getMatchCallback(URegexMatchCallback &callback,
void RegexMatcher::getMatchCallback(URegexMatchCallback *&callback,
const void *&context,
UErrorCode &status) {
if (U_FAILURE(status)) {

6
icu4c/source/i18n/unicode/regex.h
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@ -1080,7 +1080,7 @@ public:
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
virtual void setMatchCallback(URegexMatchCallback callback,
virtual void setMatchCallback(URegexMatchCallback *callback,
const void *context,
UErrorCode &status);
@ -1096,7 +1096,7 @@ public:
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
virtual void getMatchCallback(URegexMatchCallback &callback,
virtual void getMatchCallback(URegexMatchCallback *&callback,
const void *&context,
UErrorCode &status);
@ -1213,7 +1213,7 @@ private:
int32_t fStackLimit; // Maximum memory size to use for the backtrack
// stack, in bytes. Zero for unlimited.
URegexMatchCallback fCallbackFn; // Pointer to match progress callback funct.
URegexMatchCallback *fCallbackFn; // Pointer to match progress callback funct.
// NULL if there is no callback.
const void *fCallbackContext; // User Context ptr for callback function.

208
icu4c/source/i18n/unicode/uregex.h
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@ -844,140 +844,142 @@ uregex_split( URegularExpression *regexp,
/**
* Set a processing time limit for match operations with this URegularExpression.
*
* Some patterns, when matching certain strings, can run in exponential time.
* For practical purposes, the match operation may appear to be in an
* infinite loop.
* When a limit is set a match operation will fail with an error if the
* limit is exceeded.
* <p>
* The units of the limit are steps of the match engine.
* Correspondence with actual processor time will depend on the speed
* of the processor and the details of the specific pattern, but will
* typically be on the order of milliseconds.
* <p>
* By default, the matching time is not limited.
* <p>
*
* @param regexp The compiled regular expression.
* @param limit The limit value, or 0 for no limit.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
/**
* Set a processing time limit for match operations with this URegularExpression.
*
* Some patterns, when matching certain strings, can run in exponential time.
* For practical purposes, the match operation may appear to be in an
* infinite loop.
* When a limit is set a match operation will fail with an error if the
* limit is exceeded.
* <p>
* The units of the limit are steps of the match engine.
* Correspondence with actual processor time will depend on the speed
* of the processor and the details of the specific pattern, but will
* typically be on the order of milliseconds.
* <p>
* By default, the matching time is not limited.
* <p>
*
* @param regexp The compiled regular expression.
* @param limit The limit value, or 0 for no limit.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
U_DRAFT void U_EXPORT2
uregex_setTimeLimit(URegularExpression *regexp,
int32_t limit,
UErrorCode *status);
/**
* Get the time limit for for matches with this URegularExpression.
* A return value of zero indicates that there is no limit.
*
* @param regexp The compiled regular expression.
* @param status A reference to a UErrorCode to receive any errors.
* @return the maximum allowed time for a match, in units of processing steps.
* @draft ICU 4.0
*/
/**
* Get the time limit for for matches with this URegularExpression.
* A return value of zero indicates that there is no limit.
*
* @param regexp The compiled regular expression.
* @param status A reference to a UErrorCode to receive any errors.
* @return the maximum allowed time for a match, in units of processing steps.
* @draft ICU 4.0
*/
U_DRAFT int32_t U_EXPORT2
uregex_getTimeLimit(const URegularExpression *regexp,
UErrorCode *status);
/**
* Set the amount of heap storage avaliable for use by the match backtracking stack.
* <p>
* ICU uses a backtracking regular expression engine, with the backtrack stack
* maintained on the heap. This function sets the limit to the amount of memory
* that can be used for this purpose. A backtracking stack overflow will
* result in an error from the match operation that caused it.
* <p>
* A limit is desirable because a malicious or poorly designed pattern can use
* excessive memory, potentially crashing the process. A limit is enabled
* by default.
* <p>
* @param regexp The compiled regular expression.
* @param limit The maximum size, in bytes, of the matching backtrack stack.
* A value of -1 means no limit.
* The limit must be greater than zero, or -1.
* @param status A reference to a UErrorCode to receive any errors.
*
* @draft ICU 4.0
*/
/**
* Set the amount of heap storage avaliable for use by the match backtracking stack.
* <p>
* ICU uses a backtracking regular expression engine, with the backtrack stack
* maintained on the heap. This function sets the limit to the amount of memory
* that can be used for this purpose. A backtracking stack overflow will
* result in an error from the match operation that caused it.
* <p>
* A limit is desirable because a malicious or poorly designed pattern can use
* excessive memory, potentially crashing the process. A limit is enabled
* by default.
* <p>
* @param regexp The compiled regular expression.
* @param limit The maximum size, in bytes, of the matching backtrack stack.
* A value of -1 means no limit.
* The limit must be greater than zero, or -1.
* @param status A reference to a UErrorCode to receive any errors.
*
* @draft ICU 4.0
*/
U_DRAFT void U_EXPORT2
uregex_setStackLimit(URegularExpression *regexp,
int32_t limit,
UErrorCode *status);
/**
* Get the size of the heap storage available for use by the back tracking stack.
*
* @return the maximum backtracking stack size, in bytes, or zero if the
* stack size is unlimited.
* @draft ICU 4.0
*/
/**
* Get the size of the heap storage available for use by the back tracking stack.
*
* @return the maximum backtracking stack size, in bytes, or zero if the
* stack size is unlimited.
* @draft ICU 4.0
*/
U_DRAFT int32_t U_EXPORT2
uregex_getStackLimit(const URegularExpression *regexp,
UErrorCode *status);
/**
* Function pointer for a regular expression matching callback function.
* When set, a callback function will be called periodically during matching
* operations. If the call back function returns FALSE, the matching
* operation will be terminated early.
*
* Note: the callback function must not call other functions on this
* URegularExpression.
*
* @param context context pointer. The callback function will be invoked
* with the context specified at the time that
* uregex_setMatchCallback() is called.
* @param steps the accumulated processing time, in match steps,
* for this matching operation.
* @return TRUE to continue the matching operation.
* FALSE to terminate the matching operation.
* @draft ICU 4.0
*/
typedef UBool (U_EXPORT2 *URegexMatchCallback) (
* Function pointer for a regular expression matching callback function.
* When set, a callback function will be called periodically during matching
* operations. If the call back function returns FALSE, the matching
* operation will be terminated early.
*
* Note: the callback function must not call other functions on this
* URegularExpression.
*
* @param context context pointer. The callback function will be invoked
* with the context specified at the time that
* uregex_setMatchCallback() is called.
* @param steps the accumulated processing time, in match steps,
* for this matching operation.
* @return TRUE to continue the matching operation.
* FALSE to terminate the matching operation.
* @draft ICU 4.0
*/
U_CDECL_BEGIN
typedef UBool U_CALLCONV URegexMatchCallback (
const void *context,
int32_t steps);
U_CDECL_END
/**
* Set a callback function for this URegularExpression.
* During matching operations the function will be called periodically,
* giving the application the opportunity to terminate a long-running
* match.
*
* @param regexp The compiled regular expression.
* @param callback A pointer to the user-supplied callback function.
* @param context User context pointer. The value supplied at the
* time the callback function is set will be saved
* and passed to the callback each time that it is called.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
* Set a callback function for this URegularExpression.
* During matching operations the function will be called periodically,
* giving the application the opportunity to terminate a long-running
* match.
*
* @param regexp The compiled regular expression.
* @param callback A pointer to the user-supplied callback function.
* @param context User context pointer. The value supplied at the
* time the callback function is set will be saved
* and passed to the callback each time that it is called.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
U_DRAFT void U_EXPORT2
uregex_setMatchCallback(URegularExpression *regexp,
URegexMatchCallback callback,
URegexMatchCallback *callback,
const void *context,
UErrorCode *status);
/**
* Get the callback function for this URegularExpression.
*
* @param regexp The compiled regular expression.
* @param callback Out paramater, receives a pointer to the user-supplied
* callback function.
* @param context Out parameter, receives the user context pointer that
* was set when uregex_setMatchCallback() was called.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
* Get the callback function for this URegularExpression.
*
* @param regexp The compiled regular expression.
* @param callback Out paramater, receives a pointer to the user-supplied
* callback function.
* @param context Out parameter, receives the user context pointer that
* was set when uregex_setMatchCallback() was called.
* @param status A reference to a UErrorCode to receive any errors.
* @draft ICU 4.0
*/
U_DRAFT void U_EXPORT2
uregex_getMatchCallback(const URegularExpression *regexp,
URegexMatchCallback *callback,
URegexMatchCallback **callback,
const void **context,
UErrorCode *status);

6
icu4c/source/test/intltest/regextst.cpp
View File

@ -2420,7 +2420,7 @@ void RegexTest::Callbacks() {
// The variables that the getter will fill in.
// Init to non-null values so that the action of the getter can be seen.
const void *returnedContext = &returnedContext;
URegexMatchCallback returnedFn = &testCallBackFn;
URegexMatchCallback *returnedFn = &testCallBackFn;
UErrorCode status = U_ZERO_ERROR;
RegexMatcher matcher("x", 0, status);
@ -2435,7 +2435,7 @@ void RegexTest::Callbacks() {
// Set and Get work
callBackContext cbInfo = {this, 0, 0, 0};
const void *returnedContext;
URegexMatchCallback returnedFn;
URegexMatchCallback *returnedFn;
UErrorCode status = U_ZERO_ERROR;
RegexMatcher matcher("((.)+\\2)+x", 0, status); // A pattern that can run long.
REGEX_CHECK_STATUS;
@ -2443,7 +2443,7 @@ void RegexTest::Callbacks() {
REGEX_CHECK_STATUS;
matcher.getMatchCallback(returnedFn, returnedContext, status);
REGEX_CHECK_STATUS;
REGEX_ASSERT(returnedFn == &testCallBackFn);
REGEX_ASSERT(returnedFn == testCallBackFn);
REGEX_ASSERT(returnedContext == &cbInfo);
// A short-running match shouldn't invoke the callback