X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Ffilexml.C;h=5390617b05782be862a806c66c9579abe9b6ec41;hb=62ba04ea5b57d760bb66b65d533598cde044b685;hp=eccb503ac6143b1e9f5fa44c04236c89a87b670d;hpb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/filexml.C b/cinelerra-5.1/cinelerra/filexml.C
index eccb503a..5390617b 100644
--- a/cinelerra-5.1/cinelerra/filexml.C
+++ b/cinelerra-5.1/cinelerra/filexml.C
@@ -2,21 +2,21 @@
 /*
  * CINELERRA
  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- * 
+ *
  * 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
  * (at your option) 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
- * 
+ *
  */
 
 #include <stdio.h>
@@ -58,7 +58,7 @@ XMLBuffer::XMLBuffer(const char *buf, long buf_size, int del)
 	destroy = del;
 }
 
-XMLBuffer::XMLBuffer(long buf_size, const char *buf, int del)
+XMLBuffer::XMLBuffer(long buf_size, char *buf, int del)
 {	// writing
 	bfr = (unsigned char *)buf;
 	bsz = buf_size;
@@ -73,24 +73,26 @@ XMLBuffer::~XMLBuffer()
 	if( destroy ) delete [] bfr;
 }
 
-unsigned char *&XMLBuffer::demand(long len)
+int XMLBuffer::demand(long len)
 {
 	if( len > bsz ) {
-		len += BCTEXTLEN;
+		if( !destroy ) return 0;
+		long sz = inp-bfr;
+		len += sz/2 + BCTEXTLEN;
 		unsigned char *np = new unsigned char[len];
-		if( inp > bfr ) memcpy(np,bfr,inp-bfr);
+		if( sz > 0 ) memcpy(np,bfr,sz);
 		inp = np + (inp-bfr);
 		outp = np + (outp-bfr);
 		lmt = np + len;  bsz = len;
 		delete [] bfr;   bfr = np;
 	}
-	return bfr;
+	return 1;
 }
 
 int XMLBuffer::write(const char *bp, int len)
 {
-	if( !destroy && lmt-inp < len ) len = lmt-inp;
 	if( len <= 0 ) return 0;
+	if( !destroy && lmt-inp < len ) len = lmt-inp;
 	demand(otell()+len);
 	memmove(inp,bp,len);
 	inp += len;
@@ -277,7 +279,7 @@ int XMLTag::read_tag(FileXML *xml)
 // skip ws
 	while( ch>=0 && ws(ch) ) ch = buf->next();
 	if( ch < 0 ) EOB_RETURN();
-	
+
 // read title
 	ttl = buf->itell() - 1;
 	for( int i=0; i<MAX_TITLE && ch>=0; ++i, ch=buf->next() ) {
@@ -472,7 +474,23 @@ int FileXML::read_tag()
 	return tag.read_tag(this);
 }
 
-int FileXML::read_data_until(const char *tag_end, char *out, int len)
+int FileXML::skip_tag()
+{
+	char tag_title[sizeof(tag.title)];
+	strcpy(tag_title, tag.title);
+	int n = 1;
+	while( !read_tag() ) {
+		if( tag.title[0] == tag_title[0] ) {
+			if( !strcasecmp(&tag_title[1], &tag.title[1]) ) ++n;
+		}
+		else if( tag.title[0] != '/' ) continue;
+		else if( strcasecmp(&tag_title[0], &tag.title[1]) ) continue;
+		else if( --n <= 0 ) return 0;
+	}
+	return 1;
+}
+
+int FileXML::read_data_until(const char *tag_end, char *out, int len, int skip)
 {
 	long ipos = buffer->itell();
 	int opos = 0, pos = -1;
@@ -501,15 +519,15 @@ int FileXML::read_data_until(const char *tag_end, char *out, int len)
 		++pos;
 	}
 // if end tag is reached, pos is left on the < of the end tag
-	if( pos >= 0 && !tag_end[pos] )
+	if( !skip && pos >= 0 && !tag_end[pos] )
 		buffer->iseek(ipos);
 	return opos;
 }
 
-int FileXML::read_text_until(const char *tag_end, char *out, int len)
+int FileXML::read_text_until(const char *tag_end, char *out, int len, int skip)
 {
 	char data[len+1];
-	int opos = read_data_until(tag_end, data, len);
+	int opos = read_data_until(tag_end, data, len, skip);
 	decode(out, data, opos);
 	return 0;
 }
@@ -542,11 +560,11 @@ int FileXML::write_to_file(FILE *file, const char *filename)
 
 int FileXML::read_from_file(const char *filename, int ignore_error)
 {
-	
+
 	strcpy(this->filename, filename);
 	FILE *in = fopen(filename, "rb");
 	if( !in ) {
-		if(!ignore_error) 
+		if(!ignore_error)
 			eprintf("\"%s\" %m\n", filename);
 		return 1;
 	}