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- /* ------------------------------------------------------------ */
- /*
- HTTrack Website Copier, Offline Browser for Windows and Unix
- Copyright (C) Xavier Roche and other contributors
-
- 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 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.
-
-
- Important notes:
-
- - We hereby ask people using this source NOT to use it in purpose of grabbing
- emails addresses, or collecting any other private information on persons.
- This would disgrace our work, and spoil the many hours we spent on it.
-
-
- Please visit our Website: http://www.httrack.com
- */
-
-
- /* ------------------------------------------------------------ */
- /* File: Strings */
- /* Author: Xavier Roche */
- /* ------------------------------------------------------------ */
-
- // Strings a bit safer than static buffers
-
- #ifndef HTS_STRINGS_DEFSTATIC
- #define HTS_STRINGS_DEFSTATIC
-
- typedef struct {
- char* buff;
- int len;
- int capa;
- } String;
-
- #define STRING_EMPTY {NULL, 0, 0}
- #define STRING_BLK_SIZE 256
- #define StringBuff(blk) ((blk).buff)
- #define StringLength(blk) ((blk).len)
- #define StringCapacity(blk) ((blk).capa)
- #define StringRoom(blk, size) do { \
- if ((blk).len + (int)(size) + 1 > (blk).capa) { \
- (blk).capa = ((blk).len + (size) + 1) * 2; \
- (blk).buff = (char*) realloct((blk).buff, (blk).capa); \
- assertf((blk).buff != NULL); \
- } \
- } while(0)
- #define StringBuffN(blk, size) StringBuffN_(&(blk), size)
- static char* StringBuffN_(String* blk, int size) {
- StringRoom(*blk, (blk->len) + size);
- return StringBuff(*blk);
- }
- #define StringClear(blk) do { \
- StringRoom(blk, 0); \
- (blk).buff[0] = '\0'; \
- (blk).len = 0; \
- } while(0)
- #define StringFree(blk) do { \
- if ((blk).buff != NULL) { \
- freet((blk).buff); \
- (blk).buff = NULL; \
- } \
- (blk).capa = 0; \
- (blk).len = 0; \
- } while(0)
- #define StringMemcat(blk, str, size) do { \
- StringRoom(blk, size); \
- if ((int)(size) > 0) { \
- memcpy((blk).buff + (blk).len, (str), (size)); \
- (blk).len += (size); \
- } \
- *((blk).buff + (blk).len) = '\0'; \
- } while(0)
- #define StringAddchar(blk, c) do { \
- char __c = (c); \
- StringMemcat(blk, &__c, 1); \
- } while(0)
- static void* StringAcquire(String* blk) {
- void* buff = blk->buff;
- blk->buff = NULL;
- blk->capa = 0;
- blk->len = 0;
- return buff;
- }
- #define StringStrcat(blk, str) StringMemcat(blk, str, ((str) != NULL) ? strlen(str) : 0)
- #define StringStrcpy(blk, str) do { \
- StringClear(blk); \
- StringStrcat(blk, str); \
- } while(0)
-
- /* Tools */
-
- static int ehexh(char c) {
- if ((c>='0') && (c<='9')) return c-'0';
- if ((c>='a') && (c<='f')) c-=('a'-'A');
- if ((c>='A') && (c<='F')) return (c-'A'+10);
- return 0;
- }
-
- static int ehex(char* s) {
- return 16*ehexh(*s)+ehexh(*(s+1));
- }
-
- static void unescapehttp(char* s, String* tempo) {
- int i;
- for (i=0;i<(int) strlen(s);i++) {
- if (s[i]=='%' && s[i+1]=='%') {
- i++;
- StringAddchar(*tempo, '%');
- } else if (s[i]=='%') {
- char hc;
- i++;
- hc = (char) ehex(s+i);
- StringAddchar(*tempo, (char) hc);
- i++; // sauter 2 caractΦres finalement
- }
- else if (s[i]=='+') {
- StringAddchar(*tempo, ' ');
- }
- else
- StringAddchar(*tempo, s[i]);
- }
- }
-
-
- #endif
-