lstrlib.c File Reference

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Classes
struct	MatchState
Defines
#define	lstrlib_c
#define	LUA_LIB
#define	uchar(c) ((unsigned char)(c))
#define	CAP_UNFINISHED (-1)
#define	CAP_POSITION (-2)
#define	L_ESC '%'
#define	SPECIALS "^$*+?.([%-"
#define	MAX_ITEM 512
#define	FLAGS "-+ #0"
#define	MAX_FORMAT (sizeof(FLAGS) + sizeof(LUA_INTFRMLEN) + 10)
Functions
static int	str_len (lua_State *L)
static ptrdiff_t	posrelat (ptrdiff_t pos, size_t len)
static int	str_sub (lua_State *L)
static int	str_reverse (lua_State *L)
static int	str_lower (lua_State *L)
static int	str_upper (lua_State *L)
static int	str_rep (lua_State *L)
static int	str_byte (lua_State *L)
static int	str_char (lua_State *L)
static int	writer (lua_State L, const void b, size_t size, void *B)
static int	str_dump (lua_State *L)
static int	check_capture (MatchState *ms, int l)
static int	capture_to_close (MatchState *ms)
static const char *	classend (MatchState ms, const char p)
static int	match_class (int c, int cl)
static int	matchbracketclass (int c, const char p, const char ec)
static int	singlematch (int c, const char p, const char ep)
static const char *	match (MatchState ms, const char s, const char *p)
static const char *	matchbalance (MatchState ms, const char s, const char *p)
static const char *	max_expand (MatchState ms, const char s, const char p, const char ep)
static const char *	min_expand (MatchState ms, const char s, const char p, const char ep)
static const char *	start_capture (MatchState ms, const char s, const char *p, int what)
static const char *	end_capture (MatchState ms, const char s, const char *p)
static const char *	match_capture (MatchState ms, const char s, int l)
static const char *	lmemfind (const char s1, size_t l1, const char s2, size_t l2)
static void	push_onecapture (MatchState ms, int i, const char s, const char *e)
static int	push_captures (MatchState ms, const char s, const char *e)
static int	str_find_aux (lua_State *L, int find)
static int	str_find (lua_State *L)
static int	str_match (lua_State *L)
static int	gmatch_aux (lua_State *L)
static int	gmatch (lua_State *L)
static int	gfind_nodef (lua_State *L)
static void	add_s (MatchState ms, luaL_Buffer b, const char s, const char e)
static void	add_value (MatchState ms, luaL_Buffer b, const char s, const char e)
static int	str_gsub (lua_State *L)
static void	addquoted (lua_State L, luaL_Buffer b, int arg)
static const char *	scanformat (lua_State L, const char strfrmt, char *form)
static void	addintlen (char *form)
static int	str_format (lua_State *L)
static void	createmetatable (lua_State *L)
LUALIB_API int	luaopen_string (lua_State *L)
Variables
static const luaL_Reg	strlib []

Define Documentation

#define CAP_POSITION (-2)

Definition at line 168 of file lstrlib.c.

Referenced by match(), and push_onecapture().

#define CAP_UNFINISHED (-1)

Definition at line 167 of file lstrlib.c.

Referenced by capture_to_close(), check_capture(), end_capture(), match(), and push_onecapture().

#define FLAGS "-+ #0"

Definition at line 688 of file lstrlib.c.

Referenced by scanformat().

#define L_ESC '%'

Definition at line 182 of file lstrlib.c.

Referenced by add_s(), classend(), match(), matchbracketclass(), singlematch(), and str_format().

#define lstrlib_c

Definition at line 14 of file lstrlib.c.

#define LUA_LIB

Definition at line 15 of file lstrlib.c.

#define MAX_FORMAT (sizeof(FLAGS) + sizeof(LUA_INTFRMLEN) + 10)

Definition at line 693 of file lstrlib.c.

Referenced by str_format().

#define MAX_ITEM 512

Definition at line 686 of file lstrlib.c.

Referenced by str_format().

#define SPECIALS "^$*+?.([%-"

Definition at line 183 of file lstrlib.c.

Referenced by str_find_aux().

#define uchar ( c ) ((unsigned char)(c))

Definition at line 24 of file lstrlib.c.

Referenced by add_s(), match(), matchbracketclass(), max_expand(), min_expand(), scanformat(), singlematch(), str_byte(), str_char(), str_lower(), and str_upper().

Function Documentation

static void add_s	(	MatchState *	ms,
		luaL_Buffer *	b,
		const char *	s,
		const char *	e
	)			`[static]`

Definition at line 590 of file lstrlib.c.

References MatchState::L, L_ESC, lua_tolstring(), luaL_addchar, luaL_addlstring(), luaL_addvalue(), push_onecapture(), and uchar.

Referenced by add_value().

static void add_value	(	MatchState *	ms,
		luaL_Buffer *	b,
		const char *	s,
		const char *	e
	)			`[static]`

Definition at line 612 of file lstrlib.c.

References add_s(), MatchState::L, lua_call(), lua_gettable(), lua_isstring(), lua_pop, lua_pushlstring(), lua_pushvalue(), LUA_TFUNCTION, LUA_TNUMBER, lua_toboolean(), LUA_TSTRING, LUA_TTABLE, lua_type(), luaL_addvalue(), luaL_error(), luaL_typename, push_captures(), and push_onecapture().

Referenced by str_gsub().

static void addintlen ( char * form ) [static]

Definition at line 747 of file lstrlib.c.

References LUA_INTFRMLEN.

Referenced by str_format().

static void addquoted	(	lua_State *	L,
		luaL_Buffer *	b,
		int	arg
	)			`[static]`

Definition at line 696 of file lstrlib.c.

References luaL_addchar, luaL_addlstring(), and luaL_checklstring().

Referenced by str_format().

static int capture_to_close ( MatchState * ms ) [static]

Definition at line 194 of file lstrlib.c.

References CAP_UNFINISHED, MatchState::capture, MatchState::L, MatchState::len, MatchState::level, and luaL_error().

Referenced by end_capture().

static int check_capture	(	MatchState *	ms,
		int	l
	)			`[static]`

Definition at line 186 of file lstrlib.c.

References CAP_UNFINISHED, MatchState::capture, MatchState::L, MatchState::len, MatchState::level, and luaL_error().

Referenced by match_capture().

static const char* classend	(	MatchState *	ms,
		const char *	p
	)			`[static]`

Definition at line 202 of file lstrlib.c.

References MatchState::L, L_ESC, LUA_QL, and luaL_error().

Referenced by match().

static void createmetatable ( lua_State * L ) [static]

Definition at line 850 of file lstrlib.c.

References lua_createtable(), lua_pop, lua_pushliteral, lua_pushvalue(), lua_setfield(), and lua_setmetatable().

Referenced by luaopen_string().

static const char* end_capture	(	MatchState *	ms,
		const char *	s,
		const char *	p
	)			`[static]`

Definition at line 343 of file lstrlib.c.

References CAP_UNFINISHED, MatchState::capture, capture_to_close(), MatchState::init, MatchState::len, and match().

Referenced by match().

static int gfind_nodef ( lua_State * L ) [static]

Definition at line 584 of file lstrlib.c.

References LUA_QL, and luaL_error().

static int gmatch ( lua_State * L ) [static]

Definition at line 574 of file lstrlib.c.

References gmatch_aux(), lua_pushcclosure(), lua_pushinteger(), lua_settop(), and luaL_checkstring.

static int gmatch_aux ( lua_State * L ) [static]

Definition at line 548 of file lstrlib.c.

References MatchState::L, MatchState::level, lua_pushinteger(), lua_replace(), lua_tointeger(), lua_tolstring(), lua_tostring, lua_upvalueindex, match(), push_captures(), MatchState::src_end, and MatchState::src_init.

Referenced by gmatch().

static const char* lmemfind	(	const char *	s1,
		size_t	l1,
		const char *	s2,
		size_t	l2
	)			`[static]`

Definition at line 444 of file lstrlib.c.

Referenced by str_find_aux().

LUALIB_API int luaopen_string ( lua_State * L )

Definition at line 865 of file lstrlib.c.

References createmetatable(), lua_getfield(), lua_setfield(), LUA_STRLIBNAME, and luaL_register().

static const char * match	(	MatchState *	ms,
		const char *	s,
		const char *	p
	)			`[static]`

Definition at line 365 of file lstrlib.c.

References CAP_POSITION, CAP_UNFINISHED, classend(), end_capture(), MatchState::L, L_ESC, LUA_QL, luaL_error(), match_capture(), matchbalance(), matchbracketclass(), max_expand(), min_expand(), singlematch(), MatchState::src_end, MatchState::src_init, start_capture(), and uchar.

Referenced by docListDiscardEmpty(), docListTrim(), end_capture(), gmatch_aux(), matchQuality(), max_expand(), mergePosList(), min_expand(), posListPhraseMerge(), snippetOffsetsOfColumn(), start_capture(), str_find_aux(), and str_gsub().

static const char* match_capture	(	MatchState *	ms,
		const char *	s,
		int	l
	)			`[static]`

Definition at line 354 of file lstrlib.c.

References MatchState::capture, check_capture(), MatchState::init, MatchState::len, and MatchState::src_end.

Referenced by match().

static int match_class	(	int	c,
		int	cl
	)			`[static]`

Definition at line 226 of file lstrlib.c.

Referenced by matchbracketclass(), and singlematch().

static const char* matchbalance	(	MatchState *	ms,
		const char *	s,
		const char *	p
	)			`[static]`

Definition at line 281 of file lstrlib.c.

References MatchState::L, and luaL_error().

Referenced by match().

static int matchbracketclass	(	int	c,
		const char *	p,
		const char *	ec
	)			`[static]`

Definition at line 245 of file lstrlib.c.

References L_ESC, match_class(), and uchar.

Referenced by match(), and singlematch().

static const char* max_expand	(	MatchState *	ms,
		const char *	s,
		const char *	p,
		const char *	ep
	)			`[static]`

Definition at line 301 of file lstrlib.c.

References match(), singlematch(), MatchState::src_end, and uchar.

Referenced by match().

static const char* min_expand	(	MatchState *	ms,
		const char *	s,
		const char *	p,
		const char *	ep
	)			`[static]`

Definition at line 316 of file lstrlib.c.

References match(), singlematch(), and uchar.

Referenced by match().

static ptrdiff_t posrelat	(	ptrdiff_t	pos,
		size_t	len
	)			`[static]`

Definition at line 36 of file lstrlib.c.

Referenced by str_byte(), str_find_aux(), and str_sub().

static int push_captures	(	MatchState *	ms,
		const char *	s,
		const char *	e
	)			`[static]`

Definition at line 485 of file lstrlib.c.

References MatchState::L, MatchState::level, luaL_checkstack(), and push_onecapture().

Referenced by add_value(), gmatch_aux(), and str_find_aux().

static void push_onecapture	(	MatchState *	ms,
		int	i,
		const char *	s,
		const char *	e
	)			`[static]`

Definition at line 466 of file lstrlib.c.

References CAP_POSITION, CAP_UNFINISHED, MatchState::capture, MatchState::init, MatchState::L, MatchState::len, MatchState::level, lua_pushinteger(), lua_pushlstring(), luaL_error(), and MatchState::src_init.

Referenced by add_s(), add_value(), and push_captures().

static const char* scanformat	(	lua_State *	L,
		const char *	strfrmt,
		char *	form
	)			`[static]`

Definition at line 725 of file lstrlib.c.

References FLAGS, luaL_error(), and uchar.

Referenced by str_format().

static int singlematch	(	int	c,
		const char *	p,
		const char *	ep
	)			`[static]`

Definition at line 268 of file lstrlib.c.

References L_ESC, match_class(), matchbracketclass(), and uchar.

Referenced by match(), max_expand(), and min_expand().

static const char* start_capture	(	MatchState *	ms,
		const char *	s,
		const char *	p,
		int	what
	)			`[static]`

Definition at line 329 of file lstrlib.c.

References MatchState::capture, MatchState::init, MatchState::L, MatchState::len, MatchState::level, LUA_MAXCAPTURES, luaL_error(), and match().

Referenced by match().

static int str_byte ( lua_State * L ) [static]

Definition at line 106 of file lstrlib.c.

References lua_pushinteger(), luaL_checklstring(), luaL_checkstack(), luaL_error(), luaL_optinteger(), posrelat(), and uchar.

static int str_char ( lua_State * L ) [static]

Definition at line 125 of file lstrlib.c.

References lua_gettop(), luaL_addchar, luaL_argcheck, luaL_buffinit(), luaL_checkint, luaL_pushresult(), and uchar.

static int str_dump ( lua_State * L ) [static]

Definition at line 147 of file lstrlib.c.

References lua_dump(), lua_settop(), LUA_TFUNCTION, luaL_buffinit(), luaL_checktype(), luaL_error(), luaL_pushresult(), and writer().

static int str_find ( lua_State * L ) [static]

Definition at line 538 of file lstrlib.c.

References str_find_aux().

static int str_find_aux	(	lua_State *	L,
		int	find
	)			`[static]`

Definition at line 495 of file lstrlib.c.

References MatchState::L, MatchState::level, lmemfind(), lua_pushinteger(), lua_pushnil(), lua_toboolean(), luaL_checklstring(), luaL_optinteger(), match(), posrelat(), push_captures(), SPECIALS, MatchState::src_end, and MatchState::src_init.

Referenced by str_find(), and str_match().

static int str_format ( lua_State * L ) [static]

Definition at line 756 of file lstrlib.c.

References addintlen(), addquoted(), L_ESC, LUA_INTFRM_T, lua_pushvalue(), LUA_QL, luaL_addchar, luaL_addlstring(), luaL_addvalue(), luaL_buffinit(), luaL_checklstring(), luaL_checknumber(), luaL_error(), luaL_pushresult(), MAX_FORMAT, MAX_ITEM, and scanformat().

static int str_gsub ( lua_State * L ) [static]

Definition at line 644 of file lstrlib.c.

References add_value(), MatchState::L, MatchState::level, lua_pushinteger(), LUA_TFUNCTION, LUA_TNUMBER, LUA_TSTRING, LUA_TTABLE, lua_type(), luaL_addchar, luaL_addlstring(), luaL_argcheck, luaL_buffinit(), luaL_checklstring(), luaL_checkstring, luaL_optint, luaL_pushresult(), match(), MatchState::src_end, and MatchState::src_init.

static int str_len ( lua_State * L ) [static]

Definition at line 28 of file lstrlib.c.

References lua_pushinteger(), and luaL_checklstring().

static int str_lower ( lua_State * L ) [static]

Definition at line 68 of file lstrlib.c.

References luaL_addchar, luaL_buffinit(), luaL_checklstring(), luaL_pushresult(), and uchar.

static int str_match ( lua_State * L ) [static]

Definition at line 543 of file lstrlib.c.

References str_find_aux().

static int str_rep ( lua_State * L ) [static]

Definition at line 93 of file lstrlib.c.

References luaL_addlstring(), luaL_buffinit(), luaL_checkint, luaL_checklstring(), and luaL_pushresult().

static int str_reverse ( lua_State * L ) [static]

Definition at line 57 of file lstrlib.c.

References luaL_addchar, luaL_buffinit(), luaL_checklstring(), and luaL_pushresult().

static int str_sub ( lua_State * L ) [static]

Definition at line 43 of file lstrlib.c.

References lua_pushliteral, lua_pushlstring(), luaL_checkinteger(), luaL_checklstring(), luaL_optinteger(), and posrelat().

static int str_upper ( lua_State * L ) [static]

Definition at line 81 of file lstrlib.c.

References luaL_addchar, luaL_buffinit(), luaL_checklstring(), luaL_pushresult(), and uchar.

static int writer	(	lua_State *	L,
		const void *	b,
		size_t	size,
		void *	B
	)			`[static]`

Definition at line 140 of file lstrlib.c.

References luaL_addlstring().

Referenced by docListAndMerge(), docListExceptMerge(), docListMerge(), docListOrMerge(), docListPhraseMerge(), docListUnion(), optimizeFunc(), posListPhraseMerge(), posListUnion(), segmentMerge(), str_dump(), and writeZeroSegment().

Variable Documentation

const luaL_Reg strlib[] [static]

Initial value:

 {
  {"byte", str_byte},
  {"char", str_char},
  {"dump", str_dump},
  {"find", str_find},
  {"format", str_format},
  {"gfind", gfind_nodef},
  {"gmatch", gmatch},
  {"gsub", str_gsub},
  {"len", str_len},
  {"lower", str_lower},
  {"match", str_match},
  {"rep", str_rep},
  {"reverse", str_reverse},
  {"sub", str_sub},
  {"upper", str_upper},
  {NULL, NULL}
}

Definition at line 830 of file lstrlib.c.

lstrlib.c File Reference

Classes

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation