summaryrefslogtreecommitdiffstats
path: root/common/asxparser.c
diff options
context:
space:
mode:
Diffstat (limited to 'common/asxparser.c')
-rw-r--r--common/asxparser.c571
1 files changed, 0 insertions, 571 deletions
diff --git a/common/asxparser.c b/common/asxparser.c
deleted file mode 100644
index 031fdb7572..0000000000
--- a/common/asxparser.c
+++ /dev/null
@@ -1,571 +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 "common/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;
- struct mp_log *log;
-};
-
-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_WARN(parser, "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_WARN(parser, "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_ERR(parser, "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_WARN(parser, "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_WARN(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_ERR(parser, "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_WARN(parser, "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;
- }
-
- playlist_add_file(parser->pl, href);
-
- MP_VERBOSE(parser, "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_ERR(parser, "Recursive playlist %s\n", href);
- playlist_add_file(parser->pl, href);
- free(href);
- //MP_INFO(parser, "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_DBG(parser, "Adding element %s to entry\n",element);
- } else
- MP_DBG(parser, "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_ERR(parser, "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_DBG(parser, "Ignoring element %s\n",element);
- free(body);
- asx_free_attribs(attribs);
- }
-
-}
-
-
-bool asx_parse(char* buffer, struct playlist *pl, struct mp_log *log)
-{
- char *element,*asx_body,**asx_attribs,*body = NULL, **attribs;
- int r;
- ASX_Parser_t* parser = asx_parser_new(pl);
- parser->log = log;
-
- parser->line = 1;
- parser->deep = 0;
-
- r = asx_get_element(parser,&buffer,&element,&asx_body,&asx_attribs);
- if(r < 0) {
- MP_ERR(parser, "At line %d : Syntax error ???",parser->line);
- asx_parser_free(parser);
- return false;
- } else if(r == 0) { // No contents
- MP_ERR(parser, "empty asx element");
- asx_parser_free(parser);
- return false;
- }
-
- if(strcasecmp(element,"ASX") != 0) {
- MP_ERR(parser, "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_ERR(parser, "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_DBG(parser, "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;
-}