00001 // 00002 // aegis - project change supervisor 00003 // Copyright (C) 1998, 2001, 2004-2006, 2008 Peter Miller 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program. If not, see 00017 // <http://www.gnu.org/licenses/>. 00018 // 00019 00020 #ifndef COMMON_STRACC_H 00021 #define COMMON_STRACC_H 00022 00023 #include <common/str.h> 00024 00034 class stracc_t 00035 { 00036 public: 00041 ~stracc_t(); 00042 00046 stracc_t(); 00047 00051 stracc_t(const stracc_t &); 00052 00056 stracc_t &operator=(const stracc_t &); 00057 00062 string_ty *mkstr() const; 00063 00071 void 00072 push_back(char c) 00073 { 00074 // 00075 // The stracc::push_back(char) method shows up in the profiles 00076 // as occupying 10% of the time it takes to parse the database 00077 // files. By making it an inline, things go measurably faster. 00078 // 00079 if (length < maximum) 00080 buffer[length++] = c; 00081 else 00082 overflow(c); 00083 } 00084 00094 void push_back(const char *data, size_t len); 00095 00103 void push_back(const char *data); 00104 00112 void push_back(const stracc_t &data); 00113 00118 char back() { return buffer[length - 1]; } 00119 00124 void clear() { length = 0; } 00125 00130 size_t size() const { return length; } 00131 00136 bool empty() const { return (length == 0); } 00137 00142 void pop_back() { if (length) --length; } 00143 00154 const char *get_data() const { return buffer; } 00155 00163 char operator[](size_t n) { return buffer[n]; } 00164 00165 size_t count_nul_characters() const; 00166 00167 private: 00176 void overflow(char c); 00177 00182 size_t length; 00183 00188 size_t maximum; 00189 00194 char *buffer; 00195 }; 00196 00197 inline DEPRECATED void 00198 stracc_constructor(stracc_t *p) 00199 { 00200 p->clear(); 00201 } 00202 00203 inline DEPRECATED void 00204 stracc_destructor(stracc_t *p) 00205 { 00206 p->clear(); 00207 } 00208 00209 inline DEPRECATED void 00210 stracc_open(stracc_t *p) 00211 { 00212 p->clear(); 00213 } 00214 00215 inline DEPRECATED string_ty * 00216 stracc_close(const stracc_t *p) 00217 { 00218 return p->mkstr(); 00219 } 00220 00221 inline DEPRECATED void 00222 stracc_char(stracc_t *p, char c) 00223 { 00224 p->push_back(c); 00225 } 00226 00227 inline DEPRECATED void 00228 stracc_chars(stracc_t *p, const char *data, size_t len) 00229 { 00230 p->push_back(data, len); 00231 } 00232 00233 00235 #endif // COMMON_STRACC_H
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