lstrlib.c File Reference

#include "lprefix.h"
#include <ctype.h>
#include <float.h>
#include <limits.h>
#include <locale.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"

Include dependency graph for lstrlib.c:

Classes
struct	MatchState
struct	GMatchState
struct	cD
union	Ftypes
struct	Header

Macros
#define	lstrlib_c
#define	LUA_LIB
#define	LUA_MAXCAPTURES   32
#define	uchar(c)   ((unsigned char)(c))
#define	MAX_SIZET   ((size_t)(~(size_t)0))
#define	MAXSIZE   (sizeof(size_t) < sizeof(int) ? MAX_SIZET : (size_t)(INT_MAX))
#define	CAP_UNFINISHED   (-1)
#define	CAP_POSITION   (-2)
#define	MAXCCALLS   200
#define	L_ESC   '%'
#define	SPECIALS   "^$*+?.([%-"
#define	MAX_ITEM   (120 + l_mathlim(MAX_10_EXP))
#define	FLAGS   "-+ #0"
#define	MAX_FORMAT   32
#define	LUAL_PACKPADBYTE   0x00
#define	MAXINTSIZE   16
#define	NB   CHAR_BIT
#define	MC   ((1 << NB) - 1)
#define	SZINT   ((int)sizeof(lua_Integer))
#define	MAXALIGN   (offsetof(struct cD, u))

Typedefs
typedef struct MatchState	MatchState
typedef struct GMatchState	GMatchState
typedef union Ftypes	Ftypes
typedef struct Header	Header
typedef enum KOption	KOption

Enumerations
enum	KOption {   Kint, Kuint, Kfloat, Kchar,   Kstring, Kzstr, Kpadding, Kpaddalign,   Knop }

Functions
static int	str_len (lua_State *L)
static lua_Integer	posrelat (lua_Integer 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 const char *	match (MatchState *ms, const char *s, const char *p)
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 (MatchState *ms, const char *s, const char *p, const char *ep)
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	nospecials (const char *p, size_t l)
static void	prepstate (MatchState *ms, lua_State *L, const char *s, size_t ls, const char *p, size_t lp)
static void	reprepstate (MatchState *ms)
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 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, int tr)
static int	str_gsub (lua_State *L)
static void	addquoted (luaL_Buffer *b, const char *s, size_t len)
static void	checkdp (char *buff, int nb)
static void	addliteral (lua_State *L, luaL_Buffer *b, int arg)
static const char *	scanformat (lua_State *L, const char *strfrmt, char *form)
static void	addlenmod (char *form, const char *lenmod)
static int	str_format (lua_State *L)
static int	digit (int c)
static int	getnum (const char **fmt, int df)
static int	getnumlimit (Header *h, const char **fmt, int df)
static void	initheader (lua_State *L, Header *h)
static KOption	getoption (Header *h, const char **fmt, int *size)
static KOption	getdetails (Header *h, size_t totalsize, const char **fmt, int *psize, int *ntoalign)
static void	packint (luaL_Buffer *b, lua_Unsigned n, int islittle, int size, int neg)
static void	copywithendian (volatile char *dest, volatile const char *src, int size, int islittle)
static int	str_pack (lua_State *L)
static int	str_packsize (lua_State *L)
static lua_Integer	unpackint (lua_State *L, const char *str, int islittle, int size, int issigned)
static int	str_unpack (lua_State *L)
static void	createmetatable (lua_State *L)
LUAMOD_API int	luaopen_string (lua_State *L)

Variables
union {
int   dummy
char   little
}	nativeendian = {1}
static const luaL_Reg	strlib []

Macro Definition Documentation

CAP_POSITION

#define CAP_POSITION   (-2)

CAP_UNFINISHED

#define CAP_UNFINISHED   (-1)

FLAGS

#define FLAGS   "-+ #0"

L_ESC

#define L_ESC   '%'

lstrlib_c

#define lstrlib_c

LUA_LIB

#define LUA_LIB

LUA_MAXCAPTURES

#define LUA_MAXCAPTURES   32

LUAL_PACKPADBYTE

#define LUAL_PACKPADBYTE   0x00

MAX_FORMAT

#define MAX_FORMAT   32

MAX_ITEM

#define MAX_ITEM   (120 + l_mathlim(MAX_10_EXP))

MAX_SIZET

#define MAX_SIZET   ((size_t)(~(size_t)0))

MAXALIGN

#define MAXALIGN   (offsetof(struct cD, u))

MAXCCALLS

#define MAXCCALLS   200

MAXINTSIZE

#define MAXINTSIZE   16

MAXSIZE

#define MAXSIZE   (sizeof(size_t) < sizeof(int) ? MAX_SIZET : (size_t)(INT_MAX))

MC

#define MC   ((1 << NB) - 1)

NB

#define NB   CHAR_BIT

SPECIALS

#define SPECIALS   "^$*+?.([%-"

SZINT

#define SZINT   ((int)sizeof(lua_Integer))

uchar

#define uchar

(

c

)

((unsigned char)(c))

Typedef Documentation

Ftypes

typedef union Ftypes Ftypes

GMatchState

typedef struct GMatchState GMatchState

Header

typedef struct Header Header

KOption

typedef enum KOption KOption

MatchState

typedef struct MatchState MatchState

Enumeration Type Documentation

KOption

enum KOption

Enumerator
Kint
Kuint
Kfloat
Kchar
Kstring
Kzstr
Kpadding
Kpaddalign
Knop

Function Documentation

add_s()

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

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add_value()

static void add_value ( MatchState *  ms, luaL_Buffer *  b, const char *  s, const char *  e, int  tr  )

static

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addlenmod()

static void addlenmod ( char *  form, const char *  lenmod  )

static

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addliteral()

static void addliteral ( lua_State *  L, luaL_Buffer *  b, int  arg  )

static

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addquoted()

static void addquoted ( luaL_Buffer *  b, const char *  s, size_t  len  )

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capture_to_close()

static int capture_to_close ( MatchState *  ms )

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check_capture()

static int check_capture ( MatchState *  ms, int  l  )

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checkdp()

static void checkdp ( char *  buff, int  nb  )

static

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classend()

static const char* classend ( MatchState *  ms, const char *  p  )

static

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copywithendian()

static void copywithendian ( volatile char *  dest, volatile const char *  src, int  size, int  islittle  )

static

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createmetatable()

static void createmetatable ( lua_State *  L )

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digit()

static int digit ( int  c )

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end_capture()

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

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getdetails()

static KOption getdetails ( Header *  h, size_t  totalsize, const char **  fmt, int *  psize, int *  ntoalign  )

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getnum()

static int getnum ( const char **  fmt, int  df  )

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getnumlimit()

static int getnumlimit ( Header *  h, const char **  fmt, int  df  )

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getoption()

static KOption getoption ( Header *  h, const char **  fmt, int *  size  )

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gmatch()

static int gmatch ( lua_State *  L )

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gmatch_aux()

static int gmatch_aux ( lua_State *  L )

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initheader()

static void initheader ( lua_State *  L, Header *  h  )

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lmemfind()

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

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luaopen_string()

LUAMOD_API int luaopen_string

(

lua_State *

L

)

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match()

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

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match_capture()

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

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match_class()

static int match_class ( int  c, int  cl  )

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matchbalance()

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

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matchbracketclass()

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

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max_expand()

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

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min_expand()

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

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nospecials()

static int nospecials ( const char *  p, size_t  l  )

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packint()

static void packint ( luaL_Buffer *  b, lua_Unsigned  n, int  islittle, int  size, int  neg  )

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posrelat()

static lua_Integer posrelat ( lua_Integer  pos, size_t  len  )

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prepstate()

static void prepstate ( MatchState *  ms, lua_State *  L, const char *  s, size_t  ls, const char *  p, size_t  lp  )

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push_captures()

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

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push_onecapture()

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

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reprepstate()

static void reprepstate ( MatchState *  ms )

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scanformat()

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

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singlematch()

static int singlematch ( MatchState *  ms, const char *  s, const char *  p, const char *  ep  )

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start_capture()

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

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str_byte()

static int str_byte ( lua_State *  L )

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str_char()

static int str_char ( lua_State *  L )

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str_dump()

static int str_dump ( lua_State *  L )

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str_find()

static int str_find ( lua_State *  L )

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str_find_aux()

static int str_find_aux ( lua_State *  L, int  find  )

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str_format()

static int str_format ( lua_State *  L )

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str_gsub()

static int str_gsub ( lua_State *  L )

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str_len()

static int str_len ( lua_State *  L )

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str_lower()

static int str_lower ( lua_State *  L )

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str_match()

static int str_match ( lua_State *  L )

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str_pack()

static int str_pack ( lua_State *  L )

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str_packsize()

static int str_packsize ( lua_State *  L )

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str_rep()

static int str_rep ( lua_State *  L )

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str_reverse()

static int str_reverse ( lua_State *  L )

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str_sub()

static int str_sub ( lua_State *  L )

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str_unpack()

static int str_unpack ( lua_State *  L )

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str_upper()

static int str_upper ( lua_State *  L )

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unpackint()

static lua_Integer unpackint ( lua_State *  L, const char *  str, int  islittle, int  size, int  issigned  )

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writer()

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

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Variable Documentation

dummy

int dummy

little

char little

nativeendian

const { ... } nativeendian

strlib

const luaL_Reg strlib[]

static

Initial value:

= {
  {"byte", str_byte},
  {"char", str_char},
  {"dump", str_dump},
  {"find", str_find},
  {"format", str_format},
  {"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},
  {"pack", str_pack},
  {"packsize", str_packsize},
  {"unpack", str_unpack},
  {NULL, NULL}
}