diff options
Diffstat (limited to 'mpvcore/asxparser.c')
-rw-r--r-- | mpvcore/asxparser.c | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/mpvcore/asxparser.c b/mpvcore/asxparser.c deleted file mode 100644 index 16646b9347..0000000000 --- a/mpvcore/asxparser.c +++ /dev/null @@ -1,581 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <string.h> -#include <unistd.h> - -#include "playlist.h" -#include "playlist_parser.h" -#include "stream/stream.h" -#include "asxparser.h" -#include "mpvcore/mp_msg.h" - - -typedef struct ASX_Parser_t ASX_Parser_t; - -typedef struct { - char* buffer; - int line; -} ASX_LineSave_t; - -struct ASX_Parser_t { - int line; // Curent line - ASX_LineSave_t *ret_stack; - int ret_stack_size; - char* last_body; - int deep; - struct playlist *pl; -}; - -ASX_Parser_t *asx_parser_new(struct playlist *pl); - -void -asx_parser_free(ASX_Parser_t* parser); - -/* - * Return -1 on error, 0 when nothing is found, 1 on sucess - */ -int -asx_get_element(ASX_Parser_t* parser,char** _buffer, - char** _element,char** _body,char*** _attribs); - -int -asx_parse_attribs(ASX_Parser_t* parser,char* buffer,char*** _attribs); - -/////// Attribs utils - -char* -asx_get_attrib(const char* attrib,char** attribs); - -#define asx_free_attribs(a) asx_list_free(&a,free) - -////// List utils - -typedef void (*ASX_FreeFunc)(void* arg); - -void -asx_list_free(void* list_ptr,ASX_FreeFunc free_func); - - -////// List utils - -void -asx_list_free(void* list_ptr,ASX_FreeFunc free_func) { - void** ptr = *(void***)list_ptr; - if(ptr == NULL) return; - if(free_func != NULL) { - for( ; *ptr != NULL ; ptr++) - free_func(*ptr); - } - free(*(void**)list_ptr); - *(void**)list_ptr = NULL; -} - -/////// Attribs utils - -char* -asx_get_attrib(const char* attrib,char** attribs) { - char** ptr; - - if(attrib == NULL || attribs == NULL) return NULL; - for(ptr = attribs; ptr[0] != NULL; ptr += 2){ - if(strcasecmp(ptr[0],attrib) == 0) - return strdup(ptr[1]); - } - return NULL; -} - -#define asx_warning_attrib_required(p,e,a) mp_msg(MSGT_PLAYTREE,MSGL_WARN,"At line %d : element %s don't have the required attribute %s",p->line,e,a) -#define asx_warning_body_parse_error(p,e) mp_msg(MSGT_PLAYTREE,MSGL_WARN,"At line %d : error while parsing %s body",p->line,e) - -ASX_Parser_t *asx_parser_new(struct playlist *pl) -{ - ASX_Parser_t* parser = calloc(1,sizeof(ASX_Parser_t)); - parser->pl = pl; - return parser; -} - -void -asx_parser_free(ASX_Parser_t* parser) { - if(!parser) return; - free(parser->ret_stack); - free(parser); - -} - -#define LETTER "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" -#define SPACE " \n\t\r" - -int -asx_parse_attribs(ASX_Parser_t* parser,char* buffer,char*** _attribs) { - char *ptr1, *ptr2, *ptr3; - int n_attrib = 0; - char **attribs = NULL; - char *attrib, *val; - - ptr1 = buffer; - while(1) { - for( ; strchr(SPACE,*ptr1) != NULL; ptr1++) { // Skip space - if(*ptr1 == '\0') break; - } - ptr3 = strchr(ptr1,'='); - if(ptr3 == NULL) break; - for(ptr2 = ptr3-1; strchr(SPACE,*ptr2) != NULL; ptr2--) { - if (ptr2 == ptr1) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : this should never append, back to attribute begin while skipping end space",parser->line); - break; - } - } - attrib = malloc(ptr2-ptr1+2); - strncpy(attrib,ptr1,ptr2-ptr1+1); - attrib[ptr2-ptr1+1] = '\0'; - - ptr1 = strchr(ptr3,'"'); - if(ptr1 == NULL || ptr1[1] == '\0') ptr1 = strchr(ptr3,'\''); - if(ptr1 == NULL || ptr1[1] == '\0') { - mp_msg(MSGT_PLAYTREE,MSGL_WARN,"At line %d : can't find attribute %s value",parser->line,attrib); - free(attrib); - break; - } - ptr2 = strchr(ptr1+1,ptr1[0]); - if (ptr2 == NULL) { - mp_msg(MSGT_PLAYTREE,MSGL_WARN,"At line %d : value of attribute %s isn't finished",parser->line,attrib); - free(attrib); - break; - } - ptr1++; - val = malloc(ptr2-ptr1+1); - strncpy(val,ptr1,ptr2-ptr1); - val[ptr2-ptr1] = '\0'; - n_attrib++; - - attribs = realloc(attribs, (2 * n_attrib + 1) * sizeof(char*)); - attribs[n_attrib*2-2] = attrib; - attribs[n_attrib*2-1] = val; - - ptr1 = ptr2+1; - } - - if(n_attrib > 0) - attribs[n_attrib*2] = NULL; - - *_attribs = attribs; - - return n_attrib; -} - -/* - * Return -1 on error, 0 when nothing is found, 1 on sucess - */ -int -asx_get_element(ASX_Parser_t* parser,char** _buffer, - char** _element,char** _body,char*** _attribs) { - char *ptr1,*ptr2, *ptr3, *ptr4; - char *attribs = NULL; - char *element = NULL, *body = NULL, *ret = NULL, *buffer; - int n_attrib = 0; - int body_line = 0,attrib_line,ret_line,in = 0; - int quotes = 0; - - if(_buffer == NULL || _element == NULL || _body == NULL || _attribs == NULL) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : asx_get_element called with invalid value",parser->line); - return -1; - } - - *_body = *_element = NULL; - *_attribs = NULL; - buffer = *_buffer; - - if(buffer == NULL) return 0; - - if(parser->ret_stack && /*parser->last_body && */buffer != parser->last_body) { - ASX_LineSave_t* ls = parser->ret_stack; - int i; - for(i = 0 ; i < parser->ret_stack_size ; i++) { - if(buffer == ls[i].buffer) { - parser->line = ls[i].line; - break; - } - - } - if( i < parser->ret_stack_size) { - i++; - if( i < parser->ret_stack_size) - memmove(parser->ret_stack,parser->ret_stack+i, (parser->ret_stack_size - i)*sizeof(ASX_LineSave_t)); - parser->ret_stack_size -= i; - if(parser->ret_stack_size > 0) - parser->ret_stack = realloc(parser->ret_stack,parser->ret_stack_size*sizeof(ASX_LineSave_t)); - else { - free(parser->ret_stack); - parser->ret_stack = NULL; - } - } - } - - ptr1 = buffer; - while(1) { - for( ; ptr1[0] != '<' ; ptr1++) { - if(ptr1[0] == '\0') { - ptr1 = NULL; - break; - } - if(ptr1[0] == '\n') parser->line++; - } - //ptr1 = strchr(ptr1,'<'); - if(!ptr1 || ptr1[1] == '\0') return 0; // Nothing found - - if(strncmp(ptr1,"<!--",4) == 0) { // Comments - for( ; strncmp(ptr1,"-->",3) != 0 ; ptr1++) { - if(ptr1[0] == '\0') { - ptr1 = NULL; - break; - } - if(ptr1[0] == '\n') parser->line++; - } - //ptr1 = strstr(ptr1,"-->"); - if(!ptr1) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : unfinished comment",parser->line); - return -1; - } - } else { - break; - } - } - - // Is this space skip very useful ?? - for(ptr1++; strchr(SPACE,ptr1[0]) != NULL; ptr1++) { // Skip space - if(ptr1[0] == '\0') { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing element start",parser->line); - return -1; - } - if(ptr1[0] == '\n') parser->line++; - } - - for(ptr2 = ptr1; strchr(LETTER,*ptr2) != NULL;ptr2++) { // Go to end of name - if(*ptr2 == '\0'){ - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing element start",parser->line); - return -1; - } - if(ptr2[0] == '\n') parser->line++; - } - - element = malloc(ptr2-ptr1+1); - strncpy(element,ptr1,ptr2-ptr1); - element[ptr2-ptr1] = '\0'; - - for( ; strchr(SPACE,*ptr2) != NULL; ptr2++) { // Skip space - if(ptr2[0] == '\0') { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing element start",parser->line); - free(element); - return -1; - } - if(ptr2[0] == '\n') parser->line++; - } - attrib_line = parser->line; - - - - for(ptr3 = ptr2; ptr3[0] != '\0'; ptr3++) { // Go to element end - if(ptr3[0] == '"') quotes ^= 1; - if(!quotes && (ptr3[0] == '>' || strncmp(ptr3,"/>",2) == 0)) - break; - if(ptr3[0] == '\n') parser->line++; - } - if(ptr3[0] == '\0' || ptr3[1] == '\0') { // End of file - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing element start",parser->line); - free(element); - return -1; - } - - // Save attribs string - if(ptr3-ptr2 > 0) { - attribs = malloc(ptr3-ptr2+1); - strncpy(attribs,ptr2,ptr3-ptr2); - attribs[ptr3-ptr2] = '\0'; - } - //bs_line = parser->line; - if(ptr3[0] != '/') { // Not Self closed element - ptr3++; - for( ; strchr(SPACE,*ptr3) != NULL; ptr3++) { // Skip space on body begin - if(*ptr3 == '\0') { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing %s element body",parser->line,element); - free(element); - free(attribs); - return -1; - } - if(ptr3[0] == '\n') parser->line++; - } - ptr4 = ptr3; - body_line = parser->line; - while(1) { // Find closing element - for( ; ptr4[0] != '<' ; ptr4++) { - if(ptr4[0] == '\0') { - ptr4 = NULL; - break; - } - if(ptr4[0] == '\n') parser->line++; - } - if(ptr4 && strncmp(ptr4,"<!--",4) == 0) { // Comments - for( ; strncmp(ptr4,"-->",3) != 0 ; ptr4++) { - if(ptr4[0] == '\0') { - ptr4 = NULL; - break; - } - if(ptr1[0] == '\n') parser->line++; - } - continue; - } - if(ptr4 == NULL || ptr4[1] == '\0') { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : EOB reached while parsing %s element body",parser->line,element); - free(element); - free(attribs); - return -1; - } - if(ptr4[1] != '/' && strncasecmp(element,ptr4+1,strlen(element)) == 0) { - in++; - ptr4+=2; - continue; - } else if(strncasecmp(element,ptr4+2,strlen(element)) == 0) { // Extract body - if(in > 0) { - in--; - ptr4 += 2+strlen(element); - continue; - } - ret = ptr4+strlen(element)+3; - if(ptr4 != ptr3) { - ptr4--; - for( ; ptr4 != ptr3 && strchr(SPACE,*ptr4) != NULL; ptr4--) ;// Skip space on body end - // if(ptr4[0] == '\0') parser->line--; - //} - ptr4++; - body = malloc(ptr4-ptr3+1); - strncpy(body,ptr3,ptr4-ptr3); - body[ptr4-ptr3] = '\0'; - } - break; - } else { - ptr4 += 2; - } - } - } else { - ret = ptr3 + 2; // 2 is for /> - } - - for( ; ret[0] != '\0' && strchr(SPACE,ret[0]) != NULL; ret++) { // Skip space - if(ret[0] == '\n') parser->line++; - } - - ret_line = parser->line; - - if(attribs) { - parser->line = attrib_line; - n_attrib = asx_parse_attribs(parser,attribs,_attribs); - free(attribs); - if(n_attrib < 0) { - mp_msg(MSGT_PLAYTREE,MSGL_WARN,"At line %d : error while parsing element %s attributes",parser->line,element); - free(element); - free(body); - return -1; - } - } else - *_attribs = NULL; - - *_element = element; - *_body = body; - - parser->last_body = body; - parser->ret_stack_size++; - parser->ret_stack = realloc(parser->ret_stack,parser->ret_stack_size*sizeof(ASX_LineSave_t)); - if(parser->ret_stack_size > 1) - memmove(parser->ret_stack+1,parser->ret_stack,(parser->ret_stack_size-1)*sizeof(ASX_LineSave_t)); - parser->ret_stack[0].buffer = ret; - parser->ret_stack[0].line = ret_line; - parser->line = body ? body_line : ret_line; - - *_buffer = ret; - return 1; - -} - -static void -asx_parse_ref(ASX_Parser_t* parser, char** attribs) { - char *href; - - href = asx_get_attrib("HREF",attribs); - if(href == NULL) { - asx_warning_attrib_required(parser,"REF" ,"HREF" ); - return; - } -#if 0 - // replace http my mmshttp to avoid infinite loops - // disabled since some playlists for e.g. WinAMP use asx as well - // "-user-agent NSPlayer/4.1.0.3856" is a possible workaround - if (strncmp(href, "http://", 7) == 0) { - char *newref = malloc(3 + strlen(href) + 1); - strcpy(newref, "mms"); - strcpy(newref + 3, href); - free(href); - href = newref; - } -#endif - - playlist_add_file(parser->pl, href); - - mp_msg(MSGT_PLAYTREE,MSGL_V,"Adding file %s to element entry\n",href); - - free(href); - -} - -static void asx_parse_entryref(ASX_Parser_t* parser,char* buffer,char** _attribs) { - char *href; - - if(parser->deep > 0) - return; - - href = asx_get_attrib("HREF",_attribs); - if(href == NULL) { - asx_warning_attrib_required(parser,"ENTRYREF" ,"HREF" ); - return; - } - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Recursive playlist %s\n", href); - playlist_add_file(parser->pl, href); - free(href); - //mp_msg(MSGT_PLAYTREE,MSGL_INFO,"Need to implement entryref\n"); -} - -static void asx_parse_entry(ASX_Parser_t* parser,char* buffer,char** _attribs) { - char *element,*body,**attribs; - int r; - - while(buffer && buffer[0] != '\0') { - r = asx_get_element(parser,&buffer,&element,&body,&attribs); - if(r < 0) { - asx_warning_body_parse_error(parser,"ENTRY"); - return; - } else if (r == 0) { // No more element - break; - } - if(strcasecmp(element,"REF") == 0) { - asx_parse_ref(parser,attribs); - mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"Adding element %s to entry\n",element); - } else - mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"Ignoring element %s\n",element); - free(body); - asx_free_attribs(attribs); - } - -} - - -static void asx_parse_repeat(ASX_Parser_t* parser,char* buffer,char** _attribs) { - char *element,*body,**attribs; - int r; - - asx_get_attrib("COUNT",_attribs); - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Ignoring repeated playlist entries\n"); - - while(buffer && buffer[0] != '\0') { - r = asx_get_element(parser,&buffer,&element,&body,&attribs); - if(r < 0) { - asx_warning_body_parse_error(parser,"REPEAT"); - return; - } else if (r == 0) { // No more element - break; - } - if(strcasecmp(element,"ENTRY") == 0) { - asx_parse_entry(parser,body,attribs); - } else if(strcasecmp(element,"ENTRYREF") == 0) { - asx_parse_entryref(parser,body,attribs); - } else if(strcasecmp(element,"REPEAT") == 0) { - asx_parse_repeat(parser,body,attribs); - } else - mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"Ignoring element %s\n",element); - free(body); - asx_free_attribs(attribs); - } - -} - - -bool asx_parse(char* buffer, struct playlist *pl) -{ - char *element,*asx_body,**asx_attribs,*body = NULL, **attribs; - int r; - ASX_Parser_t* parser = asx_parser_new(pl); - - parser->line = 1; - parser->deep = 0; - - r = asx_get_element(parser,&buffer,&element,&asx_body,&asx_attribs); - if(r < 0) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"At line %d : Syntax error ???",parser->line); - asx_parser_free(parser); - return false; - } else if(r == 0) { // No contents - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"empty asx element"); - asx_parser_free(parser); - return false; - } - - if(strcasecmp(element,"ASX") != 0) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"first element isn't ASX, it's %s\n",element); - asx_free_attribs(asx_attribs); - asx_parser_free(parser); - return false; - } - - if(!asx_body) { - mp_msg(MSGT_PLAYTREE,MSGL_ERR,"ASX element is empty"); - asx_free_attribs(asx_attribs); - asx_parser_free(parser); - return false; - } - - buffer = asx_body; - while(buffer && buffer[0] != '\0') { - r = asx_get_element(parser,&buffer,&element,&body,&attribs); - if(r < 0) { - asx_warning_body_parse_error(parser,"ASX"); - asx_parser_free(parser); - return false; - } else if (r == 0) { // No more element - break; - } - if(strcasecmp(element,"ENTRY") == 0) { - asx_parse_entry(parser,body,attribs); - } else if(strcasecmp(element,"ENTRYREF") == 0) { - asx_parse_entryref(parser,body,attribs); - } else if(strcasecmp(element,"REPEAT") == 0) { - asx_parse_repeat(parser,body,attribs); - } else - mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"Ignoring element %s\n",element); - free(body); - asx_free_attribs(attribs); - } - - free(asx_body); - asx_free_attribs(asx_attribs); - asx_parser_free(parser); - return true; -} |