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jpcre2.hpp
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/* *****************************************************************************
* ******************* C++ wrapper for PCRE2 Library ****************************
* *****************************************************************************
* Copyright (c) Md. Jahidul Hamid
*
* -----------------------------------------------------------------------------
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * The names of its contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* Disclaimer:
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* */
/** @file jpcre2.hpp
* @brief Main header file for JPCRE2 library to be included by programs that uses its functionalities.
* It includes the `pcre2.h` header, therefore you shouldn't include `pcre2.h`, neither should you define `PCRE2_CODE_UNIT_WIDTH` before including
* `jpcre2.hpp`.
* If your `pcre2.h` header is not in standard include paths, you may include `pcre2.h` with correct path before including `jpcre2.hpp`
* manually. In this case you will have to define `PCRE2_CODE_UNIT_WIDTH` before including `pcre2.h`.
* Make sure to link required PCRE2 libraries when compiling.
*
* @author [Md Jahidul Hamid](https://github.com/neurobin)
*/
#ifndef JPCRE2_HPP
#define JPCRE2_HPP
#ifndef PCRE2_CODE_UNIT_WIDTH
///@def PCRE2_CODE_UNIT_WIDTH
///This macro does not have any significance in JPCRE2 context.
///It is defined as 0 by default. Defining it before including jpcre2.hpp
///will override the default (discouraged as it will make it harder for you to detect problems),
///but still it will have no effect in a JPCRE2 perspective.
///Defining it with an invalid value will yield to compile error.
#define PCRE2_CODE_UNIT_WIDTH 0
#endif
//previous inclusion of pcre2.h will be respected and we won't try to include it twice.
//Thus one can pre-include pcre2.h from an arbitrary/non-standard path.
#ifndef PCRE2_MAJOR
#include <pcre2.h> // pcre2 header
#endif
#include <string> // std::string, std::wstring
#include <vector> // std::vector
#include <map> // std::map
#include <cstdio> // std::fprintf
#include <climits> // CHAR_BIT
#include <cstdlib> // std::abort()
#if __cplusplus >= 201103L || _MSVC_LANG >= 201103L
#define JPCRE2_USE_MINIMUM_CXX_11 1
#include <utility>
#ifndef JPCRE2_USE_FUNCTION_POINTER_CALLBACK
#include <functional> // std::function
#endif
#endif
#if __cplusplus >= 201703L || _MSVC_LANG >= 201703L
#define JPCRE2_USE_MINIMUM_CXX_17 1
#include <optional>
#else
#ifdef JPCRE2_UNSET_CAPTURES_NULL
#error JPCRE2_UNSET_CAPTURES_NULL requires C++17
#endif
#endif
#define JPCRE2_UNUSED(x) ((void)(x))
#if defined(NDEBUG) || defined(JPCRE2_NDEBUG)
#define JPCRE2_ASSERT(cond, msg) ((void)0)
#define JPCRE2_VECTOR_DATA_ASSERT(cond, name) ((void)0)
#else
#define JPCRE2_ASSERT(cond, msg) jpcre2::jassert(cond, msg, __FILE__, __LINE__)
#define JPCRE2_VECTOR_DATA_ASSERT(cond, name) jpcre2::_jvassert(cond, name, __FILE__, __LINE__)
#endif
// In Windows, Windows.h defines ERROR macro
// It conflicts with our jpcre2::ERROR namespace
#ifdef ERROR
#undef ERROR
#endif
/** @namespace jpcre2
* Top level namespace of JPCRE2.
*
* All functions, classes/structs, constants, enums that are provided by JPCRE2 belong to this namespace while
* **PCRE2** structs, functions, constants remain outside of its scope.
*
* If you want to use any PCRE2 functions or constants,
* remember that they are in the global scope and should be used as such.
*/
namespace jpcre2 {
///Define for JPCRE2 version.
///It can be used to support changes in different versions of the lib.
#define JPCRE2_VERSION 103201L
/** @namespace jpcre2::INFO
* Namespace to provide information about JPCRE2 library itself.
* Contains constant Strings with version info.
*/
namespace INFO {
static const char NAME[] = "JPCRE2"; ///< Name of the project
static const char FULL_VERSION[] = "10.32.01"; ///< Full version string
static const char VERSION_GENRE[] = "10"; ///< Generation, depends on original PCRE2 version
static const char VERSION_MAJOR[] = "32"; ///< Major version, updated when API change is made
static const char VERSION_MINOR[] = "01"; ///< Minor version, includes bug fix or minor feature upgrade
static const char VERSION_PRE_RELEASE[] = ""; ///< Alpha or beta (testing) release version
}
typedef PCRE2_SIZE SIZE_T; ///< Used for match count and vector size
typedef uint32_t Uint; ///< Used for options (bitwise operation)
typedef uint8_t Ush; ///< 8 bit unsigned integer.
typedef std::vector<SIZE_T> VecOff; ///< vector of size_t.
typedef std::vector<Uint> VecOpt; ///< vector for Uint option values.
/// @namespace jpcre2::ERROR
/// Namespace for error codes.
namespace ERROR {
/** Error numbers for JPCRE2.
* JPCRE2 error numbers are positive integers while
* PCRE2 error numbers are negative integers.
*/
enum {
INVALID_MODIFIER = 2, ///< Invalid modifier was detected
INSUFFICIENT_OVECTOR = 3 ///< Ovector was not big enough during a match
};
}
/** These constants provide JPCRE2 options.
*/
enum {
NONE = 0x0000000u, ///< Option 0 (zero)
FIND_ALL = 0x0000002u, ///< Find all during match (global match)
JIT_COMPILE = 0x0000004u ///< Perform JIT compilation for optimization
};
//enableif and is_same implementation
template<bool B, typename T = void>
struct EnableIf{};
template<typename T>
struct EnableIf<true, T>{typedef T Type;};
template<typename T1, typename T2>
struct IsSame{ static const bool value = false; };
template<typename T>
struct IsSame<T,T>{ static const bool value = true; };
///JPCRE2 assert function.
///Aborts with an error message if condition fails.
///@param cond boolean condition
///@param msg message (std::string)
///@param f file where jassert was called.
///@param line line number where jassert was called.
static inline void jassert(bool cond, const char* msg, const char* f, size_t line){
if(!cond) {
std::fprintf(stderr,"\n\tE: AssertionFailure\n%s\nAssertion failed in file: %s\t at line: %u\n", msg, f, (unsigned)line);
std::abort();
}
}
static inline void _jvassert(bool cond, char const * name, const char* f, size_t line){
jassert(cond, (std::string("ValueError: \n\
Required data vector of type ")+std::string(name)+" is empty.\n\
Your MatchEvaluator callback function is not\n\
compatible with existing data!!\n\
You are trying to use a vector that does not\n\
have any match data. Either call nreplace() or replace()\n\
with true or perform a match with appropriate\n\
callback function. For more details, refer to\n\
the doc in MatchEvaluator section.").c_str(), f, line);
}
static inline std::string _tostdstring(unsigned x){
char buf[128];
int written = std::snprintf(buf, 128, "%u", x);
return (written > 0) ? std::string(buf, buf + written) : std::string();
}
////////////////////////// The following are type and function mappings from PCRE2 interface to JPCRE2 interface /////////////////////////
//forward declaration
template<Ush BS> struct Pcre2Type;
template<Ush BS> struct Pcre2Func;
//PCRE2 types
//These templated types will be used in place of actual types
template<Ush BS> struct Pcre2Type {};
template<> struct Pcre2Type<8>{
//typedefs used
typedef PCRE2_UCHAR8 Pcre2Uchar;
typedef PCRE2_SPTR8 Pcre2Sptr;
typedef pcre2_code_8 Pcre2Code;
typedef pcre2_compile_context_8 CompileContext;
typedef pcre2_match_data_8 MatchData;
typedef pcre2_general_context_8 GeneralContext;
typedef pcre2_match_context_8 MatchContext;
typedef pcre2_jit_callback_8 JitCallback;
typedef pcre2_jit_stack_8 JitStack;
};
template<> struct Pcre2Type<16>{
//typedefs used
typedef PCRE2_UCHAR16 Pcre2Uchar;
typedef PCRE2_SPTR16 Pcre2Sptr;
typedef pcre2_code_16 Pcre2Code;
typedef pcre2_compile_context_16 CompileContext;
typedef pcre2_match_data_16 MatchData;
typedef pcre2_general_context_16 GeneralContext;
typedef pcre2_match_context_16 MatchContext;
typedef pcre2_jit_callback_16 JitCallback;
typedef pcre2_jit_stack_16 JitStack;
};
template<> struct Pcre2Type<32>{
//typedefs used
typedef PCRE2_UCHAR32 Pcre2Uchar;
typedef PCRE2_SPTR32 Pcre2Sptr;
typedef pcre2_code_32 Pcre2Code;
typedef pcre2_compile_context_32 CompileContext;
typedef pcre2_match_data_32 MatchData;
typedef pcre2_general_context_32 GeneralContext;
typedef pcre2_match_context_32 MatchContext;
typedef pcre2_jit_callback_32 JitCallback;
typedef pcre2_jit_stack_32 JitStack;
};
//wrappers for PCRE2 functions
template<Ush BS> struct Pcre2Func{};
//8-bit version
template<> struct Pcre2Func<8> {
static Pcre2Type<8>::CompileContext* compile_context_create(Pcre2Type<8>::GeneralContext *gcontext){
return pcre2_compile_context_create_8(gcontext);
}
static void compile_context_free(Pcre2Type<8>::CompileContext *ccontext){
pcre2_compile_context_free_8(ccontext);
}
static Pcre2Type<8>::CompileContext* compile_context_copy(Pcre2Type<8>::CompileContext* ccontext){
return pcre2_compile_context_copy_8(ccontext);
}
static const unsigned char * maketables(Pcre2Type<8>::GeneralContext* gcontext){
return pcre2_maketables_8(gcontext);
}
static int set_character_tables(Pcre2Type<8>::CompileContext * ccontext, const unsigned char * table){
return pcre2_set_character_tables_8(ccontext, table);
}
static Pcre2Type<8>::Pcre2Code * compile(Pcre2Type<8>::Pcre2Sptr pattern,
PCRE2_SIZE length,
uint32_t options,
int *errorcode,
PCRE2_SIZE *erroroffset,
Pcre2Type<8>::CompileContext *ccontext){
return pcre2_compile_8(pattern, length, options, errorcode, erroroffset, ccontext);
}
static int jit_compile(Pcre2Type<8>::Pcre2Code *code, uint32_t options){
return pcre2_jit_compile_8(code, options);
}
static int substitute( const Pcre2Type<8>::Pcre2Code *code,
Pcre2Type<8>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<8>::MatchData *match_data,
Pcre2Type<8>::MatchContext *mcontext,
Pcre2Type<8>::Pcre2Sptr replacement,
PCRE2_SIZE rlength,
Pcre2Type<8>::Pcre2Uchar *outputbuffer,
PCRE2_SIZE *outlengthptr){
return pcre2_substitute_8( code, subject, length, startoffset, options, match_data,
mcontext, replacement, rlength, outputbuffer, outlengthptr);
}
//~ static int substring_get_bynumber(Pcre2Type<8>::MatchData *match_data,
//~ uint32_t number,
//~ Pcre2Type<8>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_bynumber_8(match_data, number, bufferptr, bufflen);
//~ }
//~ static int substring_get_byname(Pcre2Type<8>::MatchData *match_data,
//~ Pcre2Type<8>::Pcre2Sptr name,
//~ Pcre2Type<8>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_byname_8(match_data, name, bufferptr, bufflen);
//~ }
//~ static void substring_free(Pcre2Type<8>::Pcre2Uchar *buffer){
//~ pcre2_substring_free_8(buffer);
//~ }
//~ static Pcre2Type<8>::Pcre2Code * code_copy(const Pcre2Type<8>::Pcre2Code *code){
//~ return pcre2_code_copy_8(code);
//~ }
static void code_free(Pcre2Type<8>::Pcre2Code *code){
pcre2_code_free_8(code);
}
static int get_error_message( int errorcode,
Pcre2Type<8>::Pcre2Uchar *buffer,
PCRE2_SIZE bufflen){
return pcre2_get_error_message_8(errorcode, buffer, bufflen);
}
static Pcre2Type<8>::MatchData * match_data_create_from_pattern(
const Pcre2Type<8>::Pcre2Code *code,
Pcre2Type<8>::GeneralContext *gcontext){
return pcre2_match_data_create_from_pattern_8(code, gcontext);
}
static int match( const Pcre2Type<8>::Pcre2Code *code,
Pcre2Type<8>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<8>::MatchData *match_data,
Pcre2Type<8>::MatchContext *mcontext){
return pcre2_match_8(code, subject, length, startoffset, options, match_data, mcontext);
}
static void match_data_free(Pcre2Type<8>::MatchData *match_data){
pcre2_match_data_free_8(match_data);
}
static PCRE2_SIZE * get_ovector_pointer(Pcre2Type<8>::MatchData *match_data){
return pcre2_get_ovector_pointer_8(match_data);
}
static int pattern_info(const Pcre2Type<8>::Pcre2Code *code, uint32_t what, void *where){
return pcre2_pattern_info_8(code, what, where);
}
static int set_newline(Pcre2Type<8>::CompileContext *ccontext, uint32_t value){
return pcre2_set_newline_8(ccontext, value);
}
//~ static void jit_stack_assign(Pcre2Type<8>::MatchContext *mcontext,
//~ Pcre2Type<8>::JitCallback callback_function,
//~ void *callback_data){
//~ pcre2_jit_stack_assign_8(mcontext, callback_function, callback_data);
//~ }
//~ static Pcre2Type<8>::JitStack *jit_stack_create(PCRE2_SIZE startsize, PCRE2_SIZE maxsize,
//~ Pcre2Type<8>::GeneralContext *gcontext){
//~ return pcre2_jit_stack_create_8(startsize, maxsize, gcontext);
//~ }
//~ static void jit_stack_free(Pcre2Type<8>::JitStack *jit_stack){
//~ pcre2_jit_stack_free_8(jit_stack);
//~ }
//~ static void jit_free_unused_memory(Pcre2Type<8>::GeneralContext *gcontext){
//~ pcre2_jit_free_unused_memory_8(gcontext);
//~ }
//~ static Pcre2Type<8>::MatchContext *match_context_create(Pcre2Type<8>::GeneralContext *gcontext){
//~ return pcre2_match_context_create_8(gcontext);
//~ }
//~ static Pcre2Type<8>::MatchContext *match_context_copy(Pcre2Type<8>::MatchContext *mcontext){
//~ return pcre2_match_context_copy_8(mcontext);
//~ }
//~ static void match_context_free(Pcre2Type<8>::MatchContext *mcontext){
//~ pcre2_match_context_free_8(mcontext);
//~ }
static uint32_t get_ovector_count(Pcre2Type<8>::MatchData *match_data){
return pcre2_get_ovector_count_8(match_data);
}
};
//16-bit version
template<> struct Pcre2Func<16> {
static Pcre2Type<16>::CompileContext* compile_context_create(Pcre2Type<16>::GeneralContext *gcontext){
return pcre2_compile_context_create_16(gcontext);
}
static void compile_context_free(Pcre2Type<16>::CompileContext *ccontext){
pcre2_compile_context_free_16(ccontext);
}
static Pcre2Type<16>::CompileContext* compile_context_copy(Pcre2Type<16>::CompileContext* ccontext){
return pcre2_compile_context_copy_16(ccontext);
}
static const unsigned char * maketables(Pcre2Type<16>::GeneralContext* gcontext){
return pcre2_maketables_16(gcontext);
}
static int set_character_tables(Pcre2Type<16>::CompileContext * ccontext, const unsigned char * table){
return pcre2_set_character_tables_16(ccontext, table);
}
static Pcre2Type<16>::Pcre2Code * compile(Pcre2Type<16>::Pcre2Sptr pattern,
PCRE2_SIZE length,
uint32_t options,
int *errorcode,
PCRE2_SIZE *erroroffset,
Pcre2Type<16>::CompileContext *ccontext){
return pcre2_compile_16(pattern, length, options, errorcode, erroroffset, ccontext);
}
static int jit_compile(Pcre2Type<16>::Pcre2Code *code, uint32_t options){
return pcre2_jit_compile_16(code, options);
}
static int substitute( const Pcre2Type<16>::Pcre2Code *code,
Pcre2Type<16>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<16>::MatchData *match_data,
Pcre2Type<16>::MatchContext *mcontext,
Pcre2Type<16>::Pcre2Sptr replacement,
PCRE2_SIZE rlength,
Pcre2Type<16>::Pcre2Uchar *outputbuffer,
PCRE2_SIZE *outlengthptr){
return pcre2_substitute_16( code, subject, length, startoffset, options, match_data,
mcontext, replacement, rlength, outputbuffer, outlengthptr);
}
//~ static int substring_get_bynumber(Pcre2Type<16>::MatchData *match_data,
//~ uint32_t number,
//~ Pcre2Type<16>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_bynumber_16(match_data, number, bufferptr, bufflen);
//~ }
//~ static int substring_get_byname(Pcre2Type<16>::MatchData *match_data,
//~ Pcre2Type<16>::Pcre2Sptr name,
//~ Pcre2Type<16>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_byname_16(match_data, name, bufferptr, bufflen);
//~ }
//~ static void substring_free(Pcre2Type<16>::Pcre2Uchar *buffer){
//~ pcre2_substring_free_16(buffer);
//~ }
//~ static Pcre2Type<16>::Pcre2Code * code_copy(const Pcre2Type<16>::Pcre2Code *code){
//~ return pcre2_code_copy_16(code);
//~ }
static void code_free(Pcre2Type<16>::Pcre2Code *code){
pcre2_code_free_16(code);
}
static int get_error_message( int errorcode,
Pcre2Type<16>::Pcre2Uchar *buffer,
PCRE2_SIZE bufflen){
return pcre2_get_error_message_16(errorcode, buffer, bufflen);
}
static Pcre2Type<16>::MatchData * match_data_create_from_pattern(
const Pcre2Type<16>::Pcre2Code *code,
Pcre2Type<16>::GeneralContext *gcontext){
return pcre2_match_data_create_from_pattern_16(code, gcontext);
}
static int match( const Pcre2Type<16>::Pcre2Code *code,
Pcre2Type<16>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<16>::MatchData *match_data,
Pcre2Type<16>::MatchContext *mcontext){
return pcre2_match_16(code, subject, length, startoffset, options, match_data, mcontext);
}
static void match_data_free(Pcre2Type<16>::MatchData *match_data){
pcre2_match_data_free_16(match_data);
}
static PCRE2_SIZE * get_ovector_pointer(Pcre2Type<16>::MatchData *match_data){
return pcre2_get_ovector_pointer_16(match_data);
}
static int pattern_info(const Pcre2Type<16>::Pcre2Code *code, uint32_t what, void *where){
return pcre2_pattern_info_16(code, what, where);
}
static int set_newline(Pcre2Type<16>::CompileContext *ccontext, uint32_t value){
return pcre2_set_newline_16(ccontext, value);
}
//~ static void jit_stack_assign(Pcre2Type<16>::MatchContext *mcontext,
//~ Pcre2Type<16>::JitCallback callback_function,
//~ void *callback_data){
//~ pcre2_jit_stack_assign_16(mcontext, callback_function, callback_data);
//~ }
//~ static Pcre2Type<16>::JitStack *jit_stack_create(PCRE2_SIZE startsize, PCRE2_SIZE maxsize,
//~ Pcre2Type<16>::GeneralContext *gcontext){
//~ return pcre2_jit_stack_create_16(startsize, maxsize, gcontext);
//~ }
//~ static void jit_stack_free(Pcre2Type<16>::JitStack *jit_stack){
//~ pcre2_jit_stack_free_16(jit_stack);
//~ }
//~ static void jit_free_unused_memory(Pcre2Type<16>::GeneralContext *gcontext){
//~ pcre2_jit_free_unused_memory_16(gcontext);
//~ }
//~ static Pcre2Type<16>::MatchContext *match_context_create(Pcre2Type<16>::GeneralContext *gcontext){
//~ return pcre2_match_context_create_16(gcontext);
//~ }
//~ static Pcre2Type<16>::MatchContext *match_context_copy(Pcre2Type<16>::MatchContext *mcontext){
//~ return pcre2_match_context_copy_16(mcontext);
//~ }
//~ static void match_context_free(Pcre2Type<16>::MatchContext *mcontext){
//~ pcre2_match_context_free_16(mcontext);
//~ }
static uint32_t get_ovector_count(Pcre2Type<16>::MatchData *match_data){
return pcre2_get_ovector_count_16(match_data);
}
};
//32-bit version
template<> struct Pcre2Func<32> {
static Pcre2Type<32>::CompileContext* compile_context_create(Pcre2Type<32>::GeneralContext *gcontext){
return pcre2_compile_context_create_32(gcontext);
}
static void compile_context_free(Pcre2Type<32>::CompileContext *ccontext){
pcre2_compile_context_free_32(ccontext);
}
static Pcre2Type<32>::CompileContext* compile_context_copy(Pcre2Type<32>::CompileContext* ccontext){
return pcre2_compile_context_copy_32(ccontext);
}
static const unsigned char * maketables(Pcre2Type<32>::GeneralContext* gcontext){
return pcre2_maketables_32(gcontext);
}
static int set_character_tables(Pcre2Type<32>::CompileContext * ccontext, const unsigned char * table){
return pcre2_set_character_tables_32(ccontext, table);
}
static Pcre2Type<32>::Pcre2Code * compile(Pcre2Type<32>::Pcre2Sptr pattern,
PCRE2_SIZE length,
uint32_t options,
int *errorcode,
PCRE2_SIZE *erroroffset,
Pcre2Type<32>::CompileContext *ccontext){
return pcre2_compile_32(pattern, length, options, errorcode, erroroffset, ccontext);
}
static int jit_compile(Pcre2Type<32>::Pcre2Code *code, uint32_t options){
return pcre2_jit_compile_32(code, options);
}
static int substitute( const Pcre2Type<32>::Pcre2Code *code,
Pcre2Type<32>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<32>::MatchData *match_data,
Pcre2Type<32>::MatchContext *mcontext,
Pcre2Type<32>::Pcre2Sptr replacement,
PCRE2_SIZE rlength,
Pcre2Type<32>::Pcre2Uchar *outputbuffer,
PCRE2_SIZE *outlengthptr){
return pcre2_substitute_32( code, subject, length, startoffset, options, match_data,
mcontext, replacement, rlength, outputbuffer, outlengthptr);
}
//~ static int substring_get_bynumber(Pcre2Type<32>::MatchData *match_data,
//~ uint32_t number,
//~ Pcre2Type<32>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_bynumber_32(match_data, number, bufferptr, bufflen);
//~ }
//~ static int substring_get_byname(Pcre2Type<32>::MatchData *match_data,
//~ Pcre2Type<32>::Pcre2Sptr name,
//~ Pcre2Type<32>::Pcre2Uchar **bufferptr,
//~ PCRE2_SIZE *bufflen){
//~ return pcre2_substring_get_byname_32(match_data, name, bufferptr, bufflen);
//~ }
//~ static void substring_free(Pcre2Type<32>::Pcre2Uchar *buffer){
//~ pcre2_substring_free_32(buffer);
//~ }
//~ static Pcre2Type<32>::Pcre2Code * code_copy(const Pcre2Type<32>::Pcre2Code *code){
//~ return pcre2_code_copy_32(code);
//~ }
static void code_free(Pcre2Type<32>::Pcre2Code *code){
pcre2_code_free_32(code);
}
static int get_error_message( int errorcode,
Pcre2Type<32>::Pcre2Uchar *buffer,
PCRE2_SIZE bufflen){
return pcre2_get_error_message_32(errorcode, buffer, bufflen);
}
static Pcre2Type<32>::MatchData * match_data_create_from_pattern(
const Pcre2Type<32>::Pcre2Code *code,
Pcre2Type<32>::GeneralContext *gcontext){
return pcre2_match_data_create_from_pattern_32(code, gcontext);
}
static int match( const Pcre2Type<32>::Pcre2Code *code,
Pcre2Type<32>::Pcre2Sptr subject,
PCRE2_SIZE length,
PCRE2_SIZE startoffset,
uint32_t options,
Pcre2Type<32>::MatchData *match_data,
Pcre2Type<32>::MatchContext *mcontext){
return pcre2_match_32(code, subject, length, startoffset, options, match_data, mcontext);
}
static void match_data_free(Pcre2Type<32>::MatchData *match_data){
pcre2_match_data_free_32(match_data);
}
static PCRE2_SIZE * get_ovector_pointer(Pcre2Type<32>::MatchData *match_data){
return pcre2_get_ovector_pointer_32(match_data);
}
static int pattern_info(const Pcre2Type<32>::Pcre2Code *code, uint32_t what, void *where){
return pcre2_pattern_info_32(code, what, where);
}
static int set_newline(Pcre2Type<32>::CompileContext *ccontext, uint32_t value){
return pcre2_set_newline_32(ccontext, value);
}
//~ static void jit_stack_assign(Pcre2Type<32>::MatchContext *mcontext,
//~ Pcre2Type<32>::JitCallback callback_function,
//~ void *callback_data){
//~ pcre2_jit_stack_assign_32(mcontext, callback_function, callback_data);
//~ }
//~ static Pcre2Type<32>::JitStack *jit_stack_create(PCRE2_SIZE startsize, PCRE2_SIZE maxsize,
//~ Pcre2Type<32>::GeneralContext *gcontext){
//~ return pcre2_jit_stack_create_32(startsize, maxsize, gcontext);
//~ }
//~ static void jit_stack_free(Pcre2Type<32>::JitStack *jit_stack){
//~ pcre2_jit_stack_free_32(jit_stack);
//~ }
//~ static void jit_free_unused_memory(Pcre2Type<32>::GeneralContext *gcontext){
//~ pcre2_jit_free_unused_memory_32(gcontext);
//~ }
//~ static Pcre2Type<32>::MatchContext *match_context_create(Pcre2Type<32>::GeneralContext *gcontext){
//~ return pcre2_match_context_create_32(gcontext);
//~ }
//~ static Pcre2Type<32>::MatchContext *match_context_copy(Pcre2Type<32>::MatchContext *mcontext){
//~ return pcre2_match_context_copy_32(mcontext);
//~ }
//~ static void match_context_free(Pcre2Type<32>::MatchContext *mcontext){
//~ pcre2_match_context_free_32(mcontext);
//~ }
static uint32_t get_ovector_count(Pcre2Type<32>::MatchData *match_data){
return pcre2_get_ovector_count_32(match_data);
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///Class to take a std::string modifier value with null safety.
///You don't need to make an instance of this class to pass modifier,
///just pass std::string or char const*, whatever seems feasible,
///implicit conversion will kick in and take care of things for you.
class Modifier{
std::string mod;
public:
///Default constructor.
Modifier(){}
///Constructor that takes a std::string.
///@param x std::string as a reference.
Modifier(std::string const& x):mod(x){}
///Constructor that takes char const * (null safety is provided by this one)
///@param x char const *
Modifier(char const *x):mod(x?x:""){}
///Returns the modifier string
///@return modifier string (std::string)
std::string str() const { return mod; }
///Returns the c_str() of modifier string
///@return char const *
char const * c_str() const { return mod.c_str(); }
///Returns the length of the modifier string
///@return length
SIZE_T length() const{ return mod.length(); }
///operator[] overload to access character by index.
///@param i index
///@return character at index i.
char operator[](SIZE_T i) const { return mod[i]; }
};
// Namespace for modifier constants.
// For each modifier constant there is a jpcre2::Uint option value.
// Some modifiers may have multiple values set together (ORed in bitwise operation) and
// thus they may include other modifiers. Such an example is the 'n' modifier. It is combined together with 'u'.
namespace MOD {
// Define modifiers for compile
// String of compile modifier characters for PCRE2 options
static const char C_N[] = "eijmnsuxADJU";
// Array of compile modifier values for PCRE2 options
// Uint is being used in getModifier() in for loop to get the number of element in this array,
// be sure to chnage there if you change here.
static const jpcre2::Uint C_V[12] = { PCRE2_MATCH_UNSET_BACKREF, // Modifier e
PCRE2_CASELESS, // Modifier i
PCRE2_ALT_BSUX | PCRE2_MATCH_UNSET_BACKREF, // Modifier j
PCRE2_MULTILINE, // Modifier m
PCRE2_UTF | PCRE2_UCP, // Modifier n (includes u)
PCRE2_DOTALL, // Modifier s
PCRE2_UTF, // Modifier u
PCRE2_EXTENDED, // Modifier x
PCRE2_ANCHORED, // Modifier A
PCRE2_DOLLAR_ENDONLY, // Modifier D
PCRE2_DUPNAMES, // Modifier J
PCRE2_UNGREEDY // Modifier U
};
// String of compile modifier characters for JPCRE2 options
static const char CJ_N[] = "S";
// Array of compile modifier values for JPCRE2 options
static const jpcre2::Uint CJ_V[1] = { JIT_COMPILE, // Modifier S
};
// Define modifiers for replace
// String of action (replace) modifier characters for PCRE2 options
static const char R_N[] = "eEgx";
// Array of action (replace) modifier values for PCRE2 options
static const jpcre2::Uint R_V[4] = { PCRE2_SUBSTITUTE_UNSET_EMPTY, // Modifier e
PCRE2_SUBSTITUTE_UNKNOWN_UNSET | PCRE2_SUBSTITUTE_UNSET_EMPTY, // Modifier E (includes e)
PCRE2_SUBSTITUTE_GLOBAL, // Modifier g
PCRE2_SUBSTITUTE_EXTENDED // Modifier x
};
// String of action (replace) modifier characters for JPCRE2 options
static const char RJ_N[] = "";
// Array of action (replace) modifier values for JPCRE2 options
static const jpcre2::Uint RJ_V[1] = { NONE //placeholder
};
// Define modifiers for match
// String of action (match) modifier characters for PCRE2 options
static const char M_N[] = "A";
// Array of action (match) modifier values for PCRE2 options
static const jpcre2::Uint M_V[1] = { PCRE2_ANCHORED // Modifier A
};
// String of action (match) modifier characters for JPCRE2 options
static const char MJ_N[] = "g";
// Array of action (match) modifier values for JPCRE2 options
static const jpcre2::Uint MJ_V[1] = { FIND_ALL, // Modifier g
};
static inline void toOption(Modifier const& mod, bool x,
Uint const * J_V, char const * J_N, SIZE_T SJ,
Uint const * V, char const * N, SIZE_T S,
Uint* po, Uint* jo,
int* en, SIZE_T* eo
){
//loop through mod
SIZE_T n = mod.length();
for (SIZE_T i = 0; i < n; ++i) {
//First check for JPCRE2 mods
for(SIZE_T j = 0; j < SJ; ++j){
if(J_N[j] == mod[i]) {
if(x) *jo |= J_V[j];
else *jo &= ~J_V[j];
goto endfor;
}
}
//Now check for PCRE2 mods
for(SIZE_T j = 0; j< S; ++j){
if(N[j] == mod[i]){
if(x) *po |= V[j];
else *po &= ~V[j];
goto endfor;
}
}
//Modifier didn't match, invalid modifier
*en = (int)ERROR::INVALID_MODIFIER;
*eo = (int)mod[i];
endfor:;
}
}
static inline void toMatchOption(Modifier const& mod, bool x, Uint* po, Uint* jo, int* en, SIZE_T* eo){
toOption(mod, x,
MJ_V, MJ_N, sizeof(MJ_V)/sizeof(Uint),
M_V, M_N, sizeof(M_V)/sizeof(Uint),
po, jo, en, eo);
}
static inline void toReplaceOption(Modifier const& mod, bool x, Uint* po, Uint* jo, int* en, SIZE_T* eo){
toOption(mod, x,
RJ_V, RJ_N, sizeof(RJ_V)/sizeof(Uint),
R_V, R_N, sizeof(R_V)/sizeof(Uint),
po, jo, en, eo);
}
static inline void toCompileOption(Modifier const& mod, bool x, Uint* po, Uint* jo, int* en, SIZE_T* eo){
toOption(mod, x,
CJ_V, CJ_N, sizeof(CJ_V)/sizeof(Uint),
C_V, C_N, sizeof(C_V)/sizeof(Uint),
po, jo, en, eo);
}
static inline std::string fromOption(Uint const * J_V, char const * J_N, SIZE_T SJ,
Uint const * V, char const * N, SIZE_T S,
Uint po, Uint jo
){
std::string mod;
//Calculate PCRE2 mod
for(SIZE_T i = 0; i < S; ++i){
if( (V[i] & po) != 0 &&
(V[i] & po) == V[i]) //One option can include other
mod += N[i];
}
//Calculate JPCRE2 mod
for(SIZE_T i = 0; i < SJ; ++i){
if( (J_V[i] & jo) != 0 &&
(J_V[i] & jo) == J_V[i]) //One option can include other
mod += J_N[i];
}
return mod;
}
static inline std::string fromMatchOption(Uint po, Uint jo){
return fromOption(MJ_V, MJ_N, sizeof(MJ_V)/sizeof(Uint),
M_V, M_N, sizeof(M_V)/sizeof(Uint),
po, jo);
}
static inline std::string fromReplaceOption(Uint po, Uint jo){
return fromOption(RJ_V, RJ_N, sizeof(RJ_V)/sizeof(Uint),
R_V, R_N, sizeof(R_V)/sizeof(Uint),
po, jo);
}
static inline std::string fromCompileOption(Uint po, Uint jo){
return fromOption(CJ_V, CJ_N, sizeof(CJ_V)/sizeof(Uint),
C_V, C_N, sizeof(C_V)/sizeof(Uint),
po, jo);
}
} //MOD namespace ends
///Lets you create custom modifier tables.
///An instance of this class can be passed to
///match, replace or compile related class objects.
class ModifierTable{
std::string tabjms;
std::string tabms;
std::string tabjrs;
std::string tabrs;
std::string tabjcs;
std::string tabcs;
VecOpt tabjmv;
VecOpt tabmv;
VecOpt tabjrv;
VecOpt tabrv;
VecOpt tabjcv;
VecOpt tabcv;
void toOption(Modifier const& mod, bool x,
VecOpt const& J_V, std::string const& J_N,
VecOpt const& V, std::string const& N,
Uint* po, Uint* jo, int* en, SIZE_T* eo
) const{
SIZE_T SJ = J_V.size();
SIZE_T S = V.size();
JPCRE2_ASSERT(SJ == J_N.length(), ("ValueError: Modifier character and value table must be of the same size (" + _tostdstring(SJ) + " == " + _tostdstring(J_N.length()) + ").").c_str());
JPCRE2_ASSERT(S == N.length(), ("ValueError: Modifier character and value table must be of the same size (" + _tostdstring(S) + " == " + _tostdstring(N.length()) + ").").c_str());
MOD::toOption(mod, x,
J_V.empty()?0:&J_V[0], J_N.c_str(), SJ,
V.empty()?0:&V[0], N.c_str(), S,
po, jo, en, eo
);
}
std::string fromOption(VecOpt const& J_V, std::string const& J_N,
VecOpt const& V, std::string const& N,
Uint po, Uint jo) const{
SIZE_T SJ = J_V.size();
SIZE_T S = V.size();
JPCRE2_ASSERT(SJ == J_N.length(), ("ValueError: Modifier character and value table must be of the same size (" + _tostdstring(SJ) + " == " + _tostdstring(J_N.length()) + ").").c_str());
JPCRE2_ASSERT(S == N.length(), ("ValueError: Modifier character and value table must be of the same size (" + _tostdstring(S) + " == " + _tostdstring(N.length()) + ").").c_str());
return MOD::fromOption(J_V.empty()?0:&J_V[0], J_N.c_str(), SJ,
V.empty()?0:&V[0], N.c_str(), S,
po, jo);
}
void parseModifierTable(std::string& tabjs, VecOpt& tabjv,
std::string& tab_s, VecOpt& tab_v,
std::string const& tabs, VecOpt const& tabv);
public:
///Default constructor that creates an empty modifier table.
ModifierTable(){}
///@overload
///@param deflt Initialize with default table if true, otherwise keep empty.
ModifierTable(bool deflt){
if(deflt) setAllToDefault();
}
///Reset the match modifier table to its initial (empty) state including memory.
///@return A reference to the calling ModifierTable object.
ModifierTable& resetMatchModifierTable(){
std::string().swap(tabjms);
std::string().swap(tabms);
VecOpt().swap(tabjmv);
VecOpt().swap(tabmv);
return *this;
}
///Reset the replace modifier table to its initial (empty) state including memory.
///@return A reference to the calling ModifierTable object.
ModifierTable& resetReplaceModifierTable(){
std::string().swap(tabjrs);
std::string().swap(tabrs);
VecOpt().swap(tabjrv);
VecOpt().swap(tabrv);
return *this;
}
///Reset the compile modifier table to its initial (empty) state including memory.
///@return A reference to the calling ModifierTable object.
ModifierTable& resetCompileModifierTable(){
std::string().swap(tabjcs);
std::string().swap(tabcs);
VecOpt().swap(tabjcv);
VecOpt().swap(tabcv);
return *this;
}
///Reset the modifier tables to their initial (empty) state including memory.
///@return A reference to the calling ModifierTable object.
ModifierTable& reset(){
resetMatchModifierTable();
resetReplaceModifierTable();
resetCompileModifierTable();
return *this;
}
///Clear the match modifier table to its initial (empty) state.
///Memory may retain for further use.
///@return A reference to the calling ModifierTable object.
ModifierTable& clearMatchModifierTable(){
tabjms.clear();
tabms.clear();
tabjmv.clear();
tabmv.clear();
return *this;
}
///Clear the replace modifier table to its initial (empty) state.
///Memory may retain for further use.
///@return A reference to the calling ModifierTable object.
ModifierTable& clearReplaceModifierTable(){
tabjrs.clear();
tabrs.clear();
tabjrv.clear();
tabrv.clear();
return *this;
}
///Clear the compile modifier table to its initial (empty) state.
///Memory may retain for further use.
///@return A reference to the calling ModifierTable object.
ModifierTable& clearCompileModifierTable(){
tabjcs.clear();
tabcs.clear();
tabjcv.clear();
tabcv.clear();
return *this;
}
///Clear the modifier tables to their initial (empty) state.
///Memory may retain for further use.
///@return A reference to the calling ModifierTable object.
ModifierTable& clear(){
clearMatchModifierTable();
clearReplaceModifierTable();
clearCompileModifierTable();
return *this;
}
///Modifier parser for match related options.
///@param mod modifier string
///@param x whether to add or remove the modifers.
///@param po pointer to PCRE2 match option that will be modified.
///@param jo pointer to JPCRE2 match option that will be modified.
///@param en where to put the error number.
///@param eo where to put the error offset.
void toMatchOption(Modifier const& mod, bool x, Uint* po, Uint* jo, int* en, SIZE_T* eo) const {
toOption(mod, x,tabjmv,tabjms,tabmv, tabms,po,jo,en,eo);
}
///Modifier parser for replace related options.
///@param mod modifier string
///@param x whether to add or remove the modifers.
///@param po pointer to PCRE2 replace option that will be modified.
///@param jo pointer to JPCRE2 replace option that will be modified.
///@param en where to put the error number.
///@param eo where to put the error offset.
void toReplaceOption(Modifier const& mod, bool x, Uint* po, Uint* jo, int* en, SIZE_T* eo) const {
return toOption(mod, x,tabjrv,tabjrs,tabrv,tabrs,po,jo,en,eo);
}
///Modifier parser for compile related options.
///@param mod modifier string