BLOG | DOCUMENTATION | TRAC |  Home --> Documentations --> PJLIB-UTIL Reference scanner.h Go to the documentation of this file. /* $Id: scanner.h 3553 2011-05-05 06:14:19Z nanang $ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __PJ_SCANNER_H__ #define __PJ_SCANNER_H__ #include <pjlib-util/types.h> PJ_BEGIN_DECL #if defined(PJ_SCANNER_USE_BITWISE) && PJ_SCANNER_USE_BITWISE != 0 # include <pjlib-util/scanner_cis_bitwise.h> #else # include <pjlib-util/scanner_cis_uint.h> #endif PJ_DECL(void) pj_cis_buf_init(pj_cis_buf_t *cs_buf); PJ_DECL(pj_status_t) pj_cis_init(pj_cis_buf_t *cs_buf, pj_cis_t *cis); PJ_DECL(pj_status_t) pj_cis_dup(pj_cis_t *new_cis, pj_cis_t *existing); PJ_DECL(void) pj_cis_add_range( pj_cis_t *cis, int cstart, int cend); PJ_DECL(void) pj_cis_add_alpha( pj_cis_t *cis); PJ_DECL(void) pj_cis_add_num( pj_cis_t *cis); PJ_DECL(void) pj_cis_add_str( pj_cis_t *cis, const char *str); PJ_DECL(void) pj_cis_add_cis( pj_cis_t *cis, const pj_cis_t *rhs); PJ_DECL(void) pj_cis_del_range( pj_cis_t *cis, int cstart, int cend); PJ_DECL(void) pj_cis_del_str( pj_cis_t *cis, const char *str); PJ_DECL(void) pj_cis_invert( pj_cis_t *cis ); PJ_INLINE(int) pj_cis_match( const pj_cis_t *cis, pj_uint8_t c ) { return PJ_CIS_ISSET(cis, c); } enum { PJ_SCAN_AUTOSKIP_WS = 1, PJ_SCAN_AUTOSKIP_WS_HEADER = 3, PJ_SCAN_AUTOSKIP_NEWLINE = 4 }; /* Forward decl. */ struct pj_scanner; typedef void (*pj_syn_err_func_ptr)(struct pj_scanner *scanner); typedef struct pj_scanner { char *begin; char *end; char *curptr; int line; char *start_line; int skip_ws; pj_syn_err_func_ptr callback; } pj_scanner; typedef struct pj_scan_state { char *curptr; int line; char *start_line; } pj_scan_state; PJ_DECL(void) pj_scan_init( pj_scanner *scanner, char *bufstart, int buflen, unsigned options, pj_syn_err_func_ptr callback ); PJ_DECL(void) pj_scan_fini( pj_scanner *scanner ); PJ_INLINE(int) pj_scan_is_eof( const pj_scanner *scanner) { return scanner->curptr >= scanner->end; } PJ_DECL(int) pj_scan_peek( pj_scanner *scanner, const pj_cis_t *spec, pj_str_t *out); PJ_DECL(int) pj_scan_peek_n( pj_scanner *scanner, pj_size_t len, pj_str_t *out); PJ_DECL(int) pj_scan_peek_until( pj_scanner *scanner, const pj_cis_t *spec, pj_str_t *out); PJ_DECL(void) pj_scan_get( pj_scanner *scanner, const pj_cis_t *spec, pj_str_t *out); PJ_DECL(void) pj_scan_get_unescape( pj_scanner *scanner, const pj_cis_t *spec, pj_str_t *out); PJ_DECL(void) pj_scan_get_quote( pj_scanner *scanner, int begin_quote, int end_quote, pj_str_t *out); PJ_DECL(void) pj_scan_get_quotes(pj_scanner *scanner, const char *begin_quotes, const char *end_quotes, int qsize, pj_str_t *out); PJ_DECL(void) pj_scan_get_n( pj_scanner *scanner, unsigned N, pj_str_t *out); PJ_DECL(int) pj_scan_get_char( pj_scanner *scanner ); PJ_DECL(void) pj_scan_get_until( pj_scanner *scanner, const pj_cis_t *spec, pj_str_t *out); PJ_DECL(void) pj_scan_get_until_ch( pj_scanner *scanner, int until_char, pj_str_t *out); PJ_DECL(void) pj_scan_get_until_chr( pj_scanner *scanner, const char *until_spec, pj_str_t *out); PJ_DECL(void) pj_scan_advance_n( pj_scanner *scanner, unsigned N, pj_bool_t skip); PJ_DECL(int) pj_scan_strcmp( pj_scanner *scanner, const char *s, int len); PJ_DECL(int) pj_scan_stricmp( pj_scanner *scanner, const char *s, int len); PJ_DECL(int) pj_scan_stricmp_alnum( pj_scanner *scanner, const char *s, int len); PJ_DECL(void) pj_scan_get_newline( pj_scanner *scanner ); PJ_DECL(void) pj_scan_skip_whitespace( pj_scanner *scanner ); PJ_DECL(void) pj_scan_skip_line( pj_scanner *scanner ); PJ_DECL(void) pj_scan_save_state( const pj_scanner *scanner, pj_scan_state *state); PJ_DECL(void) pj_scan_restore_state( pj_scanner *scanner, pj_scan_state *state); PJ_INLINE(int) pj_scan_get_col( const pj_scanner *scanner ) { return (int)(scanner->curptr - scanner->start_line); } PJ_END_DECL #endif   PJLIB-UTIL Open Source, small footprint, and portable asynchronous/caching DNS resolver, text scanner, STUN client, and XML library Copyright (C) 2006-2009 Teluu Inc.