Benny Prijono | e0312a7 | 2005-11-18 00:16:43 +0000 | [diff] [blame] | 1 | /* $Id$ */
|
Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame] | 2 | /*
|
Benny Prijono | e0312a7 | 2005-11-18 00:16:43 +0000 | [diff] [blame] | 3 | * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
|
Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame] | 4 | *
|
Benny Prijono | e0312a7 | 2005-11-18 00:16:43 +0000 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or modify
|
| 6 | * it under the terms of the GNU General Public License as published by
|
| 7 | * the Free Software Foundation; either version 2 of the License, or
|
| 8 | * (at your option) any later version.
|
Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame] | 9 | *
|
Benny Prijono | e0312a7 | 2005-11-18 00:16:43 +0000 | [diff] [blame] | 10 | * This program is distributed in the hope that it will be useful,
|
Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame] | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
Benny Prijono | e0312a7 | 2005-11-18 00:16:43 +0000 | [diff] [blame] | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 | * GNU General Public License for more details.
|
| 14 | *
|
| 15 | * You should have received a copy of the GNU General Public License
|
| 16 | * along with this program; if not, write to the Free Software
|
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
Benny Prijono | e722461 | 2005-11-13 19:40:44 +0000 | [diff] [blame] | 18 | */
|
| 19 | #ifndef __PJPP_SCANNER_HPP__
|
| 20 | #define __PJPP_SCANNER_HPP__
|
| 21 |
|
| 22 | #include <pjlib-util/scanner.h>
|
| 23 | #include <pj++/string.hpp>
|
| 24 |
|
| 25 | class Pj_Char_Spec
|
| 26 | {
|
| 27 | public:
|
| 28 | Pj_Char_Spec() { pj_cs_init(cs__); }
|
| 29 |
|
| 30 | void set(int c) { pj_cs_set(cs__, c); }
|
| 31 | void add_range(int begin, int end) { pj_cs_add_range(cs__, begin, end); }
|
| 32 | void add_alpha() { pj_cs_add_alpha(cs__); }
|
| 33 | void add_num() { pj_cs_add_num(cs__); }
|
| 34 | void add_str(const char *str) { pj_cs_add_str(cs__, str); }
|
| 35 | void del_range(int begin, int end) { pj_cs_del_range(cs__, begin, end); }
|
| 36 | void del_str(const char *str) { pj_cs_del_str(cs__, str); }
|
| 37 | void invert() { pj_cs_invert(cs__); }
|
| 38 | int match(int c) { return pj_cs_match(cs__, c); }
|
| 39 |
|
| 40 | pj_char_spec_element_t *cs_()
|
| 41 | {
|
| 42 | return cs__;
|
| 43 | }
|
| 44 |
|
| 45 | const pj_char_spec_element_t *cs_() const
|
| 46 | {
|
| 47 | return cs__;
|
| 48 | }
|
| 49 |
|
| 50 | private:
|
| 51 | pj_char_spec cs__;
|
| 52 | };
|
| 53 |
|
| 54 | class Pj_Scanner
|
| 55 | {
|
| 56 | public:
|
| 57 | Pj_Scanner() {}
|
| 58 |
|
| 59 | enum
|
| 60 | {
|
| 61 | SYNTAX_ERROR = 101
|
| 62 | };
|
| 63 | static void syntax_error_handler_throw_pj(pj_scanner *);
|
| 64 |
|
| 65 | typedef pj_scan_state State;
|
| 66 |
|
| 67 | void init(char *buf, int len, unsigned options=PJ_SCAN_AUTOSKIP_WS,
|
| 68 | pj_syn_err_func_ptr callback = &syntax_error_handler_throw_pj)
|
| 69 | {
|
| 70 | pj_scan_init(&scanner_, buf, len, options, callback);
|
| 71 | }
|
| 72 |
|
| 73 | void fini()
|
| 74 | {
|
| 75 | pj_scan_fini(&scanner_);
|
| 76 | }
|
| 77 |
|
| 78 | int eof() const
|
| 79 | {
|
| 80 | return pj_scan_is_eof(&scanner_);
|
| 81 | }
|
| 82 |
|
| 83 | int peek_char() const
|
| 84 | {
|
| 85 | return *scanner_.curptr;
|
| 86 | }
|
| 87 |
|
| 88 | int peek(const Pj_Char_Spec *cs, Pj_String *out)
|
| 89 | {
|
| 90 | return pj_scan_peek(&scanner_, cs->cs_(), out);
|
| 91 | }
|
| 92 |
|
| 93 | int peek_n(pj_size_t len, Pj_String *out)
|
| 94 | {
|
| 95 | return pj_scan_peek_n(&scanner_, len, out);
|
| 96 | }
|
| 97 |
|
| 98 | int peek_until(const Pj_Char_Spec *cs, Pj_String *out)
|
| 99 | {
|
| 100 | return pj_scan_peek_until(&scanner_, cs->cs_(), out);
|
| 101 | }
|
| 102 |
|
| 103 | void get(const Pj_Char_Spec *cs, Pj_String *out)
|
| 104 | {
|
| 105 | pj_scan_get(&scanner_, cs->cs_(), out);
|
| 106 | }
|
| 107 |
|
| 108 | void get_n(unsigned N, Pj_String *out)
|
| 109 | {
|
| 110 | pj_scan_get_n(&scanner_, N, out);
|
| 111 | }
|
| 112 |
|
| 113 | int get_char()
|
| 114 | {
|
| 115 | return pj_scan_get_char(&scanner_);
|
| 116 | }
|
| 117 |
|
| 118 | void get_quote(int begin_quote, int end_quote, Pj_String *out)
|
| 119 | {
|
| 120 | pj_scan_get_quote(&scanner_, begin_quote, end_quote, out);
|
| 121 | }
|
| 122 |
|
| 123 | void get_newline()
|
| 124 | {
|
| 125 | pj_scan_get_newline(&scanner_);
|
| 126 | }
|
| 127 |
|
| 128 | void get_until(const Pj_Char_Spec *cs, Pj_String *out)
|
| 129 | {
|
| 130 | pj_scan_get_until(&scanner_, cs->cs_(), out);
|
| 131 | }
|
| 132 |
|
| 133 | void get_until_ch(int until_ch, Pj_String *out)
|
| 134 | {
|
| 135 | pj_scan_get_until_ch(&scanner_, until_ch, out);
|
| 136 | }
|
| 137 |
|
| 138 | void get_until_chr(const char *spec, Pj_String *out)
|
| 139 | {
|
| 140 | pj_scan_get_until_chr(&scanner_, spec, out);
|
| 141 | }
|
| 142 |
|
| 143 | void advance_n(unsigned N, bool skip_ws=true)
|
| 144 | {
|
| 145 | pj_scan_advance_n(&scanner_, N, skip_ws);
|
| 146 | }
|
| 147 |
|
| 148 | int strcmp(const char *s, int len)
|
| 149 | {
|
| 150 | return pj_scan_strcmp(&scanner_, s, len);
|
| 151 | }
|
| 152 |
|
| 153 | int stricmp(const char *s, int len)
|
| 154 | {
|
| 155 | return pj_scan_stricmp(&scanner_, s, len);
|
| 156 | }
|
| 157 |
|
| 158 | void skip_ws()
|
| 159 | {
|
| 160 | pj_scan_skip_whitespace(&scanner_);
|
| 161 | }
|
| 162 |
|
| 163 | void save_state(State *state)
|
| 164 | {
|
| 165 | pj_scan_save_state(&scanner_, state);
|
| 166 | }
|
| 167 |
|
| 168 | void restore_state(State *state)
|
| 169 | {
|
| 170 | pj_scan_restore_state(&scanner_, state);
|
| 171 | }
|
| 172 |
|
| 173 | int get_pos_line() const
|
| 174 | {
|
| 175 | return scanner_.line;
|
| 176 | }
|
| 177 |
|
| 178 | int get_pos_col() const
|
| 179 | {
|
| 180 | return scanner_.col;
|
| 181 | }
|
| 182 |
|
| 183 |
|
| 184 | private:
|
| 185 | pj_scanner scanner_;
|
| 186 | };
|
| 187 |
|
| 188 | #endif /* __PJPP_SCANNER_HPP__ */
|
| 189 |
|