From 844ecc37072d515513177c65a8c9dc35c9cdfc1a Mon Sep 17 00:00:00 2001 From: Xavier Roche Date: Mon, 19 Mar 2012 12:55:42 +0000 Subject: httrack 3.33.16 --- libtest/callbacks-example-filename2.c | 100 ++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100755 libtest/callbacks-example-filename2.c (limited to 'libtest/callbacks-example-filename2.c') diff --git a/libtest/callbacks-example-filename2.c b/libtest/callbacks-example-filename2.c new file mode 100755 index 0000000..ded2e8f --- /dev/null +++ b/libtest/callbacks-example-filename2.c @@ -0,0 +1,100 @@ +/* + HTTrack external callbacks example : changing the destination filename + Example of _init and _exit call (httrack >> 3.31) + .c file + + How to use: + - compile this file as a module (callback.so or callback.dll) + example: + (with gcc) + gcc -O -g3 -Wall -D_REENTRANT -DINET6 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -shared -o callback.so callbacks-example-filename.c + or (with visual c++) + cl -LD -nologo -W3 -Zi -Zp4 -DWIN32 -Fe"callback.dll" callbacks-example-filename.c + - use the --wrapper option in httrack: + httrack --wrapper save-name=callback:mysavename,string1,string2 +*/ + +#include +#include +#include + +/* "External" */ +#ifdef _WIN32 +#define EXTERNAL_FUNCTION __declspec(dllexport) +#else +#define EXTERNAL_FUNCTION +#endif + +/* Function definitions */ +EXTERNAL_FUNCTION int mysavename(char* adr_complete, char* fil_complete, char* referer_adr, char* referer_fil, char* save); +EXTERNAL_FUNCTION int wrapper_init(char* module, char* initString); +EXTERNAL_FUNCTION int wrapper_exit(void); + +/* TOLOWER */ +#define TOLOWER_(a) (a >= 'A' && a <= 'Z') ? (a + ('a' - 'A')) : a +#define TOLOWER(a) ( TOLOWER_( (a) ) ) + +/* + This sample just replaces all occurences of "string1" into "string2" + string1 and string2 are passed in the callback string: + httrack --wrapper save-name=callback:mysavename,string1,string2 .. +*/ + +static char string1[256]; +static char string2[256]; +static int initialized = 0; + +/* +"check-html" callback +from htsdefines.h: +typedef int (* t_hts_htmlcheck_savename)(char* adr_complete,char* fil_complete,char* referer_adr,char* referer_fil,char* save); +*/ +EXTERNAL_FUNCTION int mysavename(char* adr_complete, char* fil_complete, char* referer_adr, char* referer_fil, char* save) { + char* buff = strdup(save); + char* a = buff; + char* b = save; + if (!initialized) { + fprintf(stderr, "** ERROR! mysavename_init() was not called by httrack - you are probably using an old version (<3.31)\n"); + fprintf(stderr, "** bailing out..\n"); + exit(1); + } + *b = '\0'; /* the "save" variable points to a buffer with "sufficient" space */ + while(*a) { + if (strncmp(a, string1, (int)strlen(string1)) == 0) { + strcat(b, string2); + b += strlen(b); + a += strlen(string1); + } else { + *b++ = *a++; + *b = '\0'; + } + } + free(buff); + return 1; /* success */ +} + +/* _init() will be called, if exists, upon startup */ +EXTERNAL_FUNCTION int wrapper_init(char* module, char* initString) { + char* pos; + fprintf(stderr, "** info: wrapper_init(%s, %s) called!\n", module, initString); + fprintf(stderr, "** callback example: changing destination filename word by another one\n"); + if (initString == NULL || *initString == '\0' || (pos = strchr(initString, ',') ) == NULL) { + fprintf(stderr, "** callback error: arguments expected or bad arguments\n"); + fprintf(stderr, "usage: httrack --wrapper save-name=callback:mysavename,string1,string2\n"); + fprintf(stderr, "example: httrack --wrapper save-name=callback:mysavename,foo,bar\n"); + return 0; + } + string1[0] = string1[1] = '\0'; + strncat(string1, initString, pos - initString); + strcpy(string2, pos + 1); + fprintf(stderr, "** callback info: will replace %s by %s in filenames!\n", string1, string2); + initialized = 1; /* we're ok */ + return 1; /* success */ +} + +/* _exit() will be called, if exists, upon exit */ +EXTERNAL_FUNCTION int wrapper_exit(void) { + fprintf(stderr, "** info: wrapper_exit() called!\n"); + initialized = 0; + return 1; /* success (result ignored anyway in xx_exit) */ +} -- cgit v1.2.3