diff options
Diffstat (limited to 'thirdparty/pcre2/src/pcre2_context.c')
| -rw-r--r-- | thirdparty/pcre2/src/pcre2_context.c | 119 |
1 files changed, 102 insertions, 17 deletions
diff --git a/thirdparty/pcre2/src/pcre2_context.c b/thirdparty/pcre2/src/pcre2_context.c index ae050fe92c..2c14df0080 100644 --- a/thirdparty/pcre2/src/pcre2_context.c +++ b/thirdparty/pcre2/src/pcre2_context.c @@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language. Written by Philip Hazel Original API code Copyright (c) 1997-2012 University of Cambridge - New API code Copyright (c) 2016 University of Cambridge + New API code Copyright (c) 2016-2017 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -138,7 +138,8 @@ const pcre2_compile_context PRIV(default_compile_context) = { PCRE2_UNSET, /* Max pattern length */ BSR_DEFAULT, /* Backslash R default */ NEWLINE_DEFAULT, /* Newline convention */ - PARENS_NEST_LIMIT }; /* As it says */ + PARENS_NEST_LIMIT, /* As it says */ + 0 }; /* Extra options */ /* The create function copies the default into the new memory, but must override the default memory handling functions if a gcontext was provided. */ @@ -161,9 +162,6 @@ when no context is supplied to a match function. */ const pcre2_match_context PRIV(default_match_context) = { { default_malloc, default_free, NULL }, -#ifdef HEAP_MATCH_RECURSE - { default_malloc, default_free, NULL }, -#endif #ifdef SUPPORT_JIT NULL, NULL, @@ -171,8 +169,9 @@ const pcre2_match_context PRIV(default_match_context) = { NULL, NULL, PCRE2_UNSET, /* Offset limit */ + HEAP_LIMIT, MATCH_LIMIT, - MATCH_LIMIT_RECURSION }; + MATCH_LIMIT_DEPTH }; /* The create function copies the default into the new memory, but must override the default memory handling functions if a gcontext was provided. */ @@ -190,6 +189,36 @@ return mcontext; } +/* A default convert context is set up to save having to initialize at run time +when no context is supplied to the convert function. */ + +const pcre2_convert_context PRIV(default_convert_context) = { + { default_malloc, default_free, NULL }, /* Default memory handling */ +#ifdef _WIN32 + CHAR_BACKSLASH, /* Default path separator */ + CHAR_GRAVE_ACCENT /* Default escape character */ +#else /* Not Windows */ + CHAR_SLASH, /* Default path separator */ + CHAR_BACKSLASH /* Default escape character */ +#endif + }; + +/* The create function copies the default into the new memory, but must +override the default memory handling functions if a gcontext was provided. */ + +PCRE2_EXP_DEFN pcre2_convert_context * PCRE2_CALL_CONVENTION +pcre2_convert_context_create(pcre2_general_context *gcontext) +{ +pcre2_convert_context *ccontext = PRIV(memctl_malloc)( + sizeof(pcre2_real_convert_context), (pcre2_memctl *)gcontext); +if (ccontext == NULL) return NULL; +*ccontext = PRIV(default_convert_context); +if (gcontext != NULL) + *((pcre2_memctl *)ccontext) = *((pcre2_memctl *)gcontext); +return ccontext; +} + + /************************************************* * Context copy functions * *************************************************/ @@ -231,11 +260,22 @@ return new; +PCRE2_EXP_DEFN pcre2_convert_context * PCRE2_CALL_CONVENTION +pcre2_convert_context_copy(pcre2_convert_context *ccontext) +{ +pcre2_convert_context *new = + ccontext->memctl.malloc(sizeof(pcre2_real_convert_context), + ccontext->memctl.memory_data); +if (new == NULL) return NULL; +memcpy(new, ccontext, sizeof(pcre2_real_convert_context)); +return new; +} + + /************************************************* * Context free functions * *************************************************/ - PCRE2_EXP_DEFN void PCRE2_CALL_CONVENTION pcre2_general_context_free(pcre2_general_context *gcontext) { @@ -260,6 +300,12 @@ if (mcontext != NULL) } +PCRE2_EXP_DEFN void PCRE2_CALL_CONVENTION +pcre2_convert_context_free(pcre2_convert_context *ccontext) +{ +if (ccontext != NULL) + ccontext->memctl.free(ccontext, ccontext->memctl.memory_data); +} /************************************************* @@ -271,7 +317,7 @@ data is given. Only some of the functions are able to test the validity of the data. */ -/* ------------ Compile contexts ------------ */ +/* ------------ Compile context ------------ */ PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_character_tables(pcre2_compile_context *ccontext, @@ -313,6 +359,7 @@ switch(newline) case PCRE2_NEWLINE_CRLF: case PCRE2_NEWLINE_ANY: case PCRE2_NEWLINE_ANYCRLF: + case PCRE2_NEWLINE_NUL: ccontext->newline_convention = newline; return 0; @@ -329,6 +376,13 @@ return 0; } PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION +pcre2_set_compile_extra_options(pcre2_compile_context *ccontext, uint32_t options) +{ +ccontext->extra_options = options; +return 0; +} + +PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_compile_recursion_guard(pcre2_compile_context *ccontext, int (*guard)(uint32_t, void *), void *user_data) { @@ -338,7 +392,7 @@ return 0; } -/* ------------ Match contexts ------------ */ +/* ------------ Match context ------------ */ PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_callout(pcre2_match_context *mcontext, @@ -350,6 +404,13 @@ return 0; } PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION +pcre2_set_heap_limit(pcre2_match_context *mcontext, uint32_t limit) +{ +mcontext->heap_limit = limit; +return 0; +} + +PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_match_limit(pcre2_match_context *mcontext, uint32_t limit) { mcontext->match_limit = limit; @@ -357,17 +418,26 @@ return 0; } PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION +pcre2_set_depth_limit(pcre2_match_context *mcontext, uint32_t limit) +{ +mcontext->depth_limit = limit; +return 0; +} + +PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_offset_limit(pcre2_match_context *mcontext, PCRE2_SIZE limit) { mcontext->offset_limit = limit; return 0; } +/* This function became obsolete at release 10.30. It is kept as a synonym for +backwards compatibility. */ + PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_set_recursion_limit(pcre2_match_context *mcontext, uint32_t limit) { -mcontext->recursion_limit = limit; -return 0; +return pcre2_set_depth_limit(mcontext, limit); } PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION @@ -375,17 +445,32 @@ pcre2_set_recursion_memory_management(pcre2_match_context *mcontext, void *(*mymalloc)(size_t, void *), void (*myfree)(void *, void *), void *mydata) { -#ifdef HEAP_MATCH_RECURSE -mcontext->stack_memctl.malloc = mymalloc; -mcontext->stack_memctl.free = myfree; -mcontext->stack_memctl.memory_data = mydata; -#else (void)mcontext; (void)mymalloc; (void)myfree; (void)mydata; -#endif +return 0; +} + +/* ------------ Convert context ------------ */ + +PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION +pcre2_set_glob_separator(pcre2_convert_context *ccontext, uint32_t separator) +{ +if (separator != CHAR_SLASH && separator != CHAR_BACKSLASH && + separator != CHAR_DOT) return PCRE2_ERROR_BADDATA; +ccontext->glob_separator = separator; +return 0; +} + +PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION +pcre2_set_glob_escape(pcre2_convert_context *ccontext, uint32_t escape) +{ +if (escape > 255 || (escape != 0 && !ispunct(escape))) + return PCRE2_ERROR_BADDATA; +ccontext->glob_escape = escape; return 0; } /* End of pcre2_context.c */ + |