Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / filexml.h

diff --git a/cinelerra-5.1/cinelerra/filexml.h b/cinelerra-5.1/cinelerra/filexml.h
new file mode 100644 (file)
index 0000000..44da437
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/filexml.h
@@ -0,0 +1,168 @@
+
+/*
+ * 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
+ *
+ */
+
+#ifndef FILEXML_H
+#define FILEXML_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <limits.h>
+
+#include "arraylist.h"
+#include "filexml.inc"
+#include "sizes.h"
+
+#define MAX_TITLE 256
+
+class XMLBuffer
+{
+       long bsz, isz;
+       unsigned char *inp, *outp, *bfr, *lmt;
+       int destroy;
+
+       unsigned char *&demand(long len);
+public:
+       XMLBuffer(long buf_size=0x1000, long max_size=LONG_MAX, int del=1);
+       XMLBuffer(long buf_size, const char *buf, int del=0); // writing
+       XMLBuffer(const char *buf, long buf_size, int del=0); // reading
+       ~XMLBuffer();
+
+       long otell() { return inp - bfr; }
+       long itell() { return outp - bfr; }
+       void oseek(long pos) { inp = bfr + pos; }
+       void iseek(long pos) { outp = bfr + pos; }
+       unsigned char *pos(long ofs=0) { return bfr+ofs; }
+       unsigned char *str() { if( inp < lmt ) *inp = 0; return bfr; }
+       int read(char *bp, int n);
+       int write(const char *bp, int n);
+
+       int cur()  { return outp>=inp ? -1 : *outp; }
+       int next() { return outp>=inp ? -1 : *outp++; }
+       int next(int ch) {
+               demand(otell()+1);
+               return *inp++ = ch;
+       }
+
+       static char *decode_data(char *bp, const char *sp, int n=-1);
+       static char *encode_data(char *bp, const char *sp, int n=-1);
+       static char *copy_data(char *bp, const char *sp, int n=-1);
+       static long encoded_length(const char *sp, int n=-1);
+       static long copy_length(const char *sp, int n=-1);
+};
+
+class XMLTag
+{
+       XMLBuffer *buffer;
+       class Property {
+       public:
+               const char *prop;
+               const char *value;
+
+               Property(const char *pp, const char *vp);
+               ~Property();
+       };
+       bool ws(char ch) { return ch==' ' || ch=='\n'; }
+
+public:
+       XMLTag();
+       ~XMLTag();
+
+       int reset_tag();
+
+       int title_is(const char *title);
+       char *get_title();
+       int get_title(char *value);
+       int test_property(char *property, char *value);
+       const char *get_property_text(int number);
+       int get_property_int(int number);
+       float get_property_float(int number);
+       const char *get_property(const char *property);
+       const char* get_property(const char *property, char *value);
+       int32_t get_property(const char *property, int32_t default_);
+       int64_t get_property(const char *property, int64_t default_);
+       float get_property(const char *property, float default_);
+       double get_property(const char *property, double default_);
+
+       int set_title(const char *text);
+       int set_property(const char *text, const char *value);
+       int set_property(const char *text, int32_t value);
+       int set_property(const char *text, int64_t value);
+       int set_property(const char *text, float value);
+       int set_property(const char *text, double value);
+
+       int write_tag(FileXML *xml);
+       int read_tag(FileXML *xml);
+
+       char title[MAX_TITLE];
+       ArrayList<Property*> properties;
+       char *string;
+       long used, avail;
+};
+
+
+class FileXML
+{
+public:
+       FileXML(int coded=1);
+       ~FileXML();
+
+       int terminate_string();
+       int append_newline();
+       int append_tag();
+       int append_text(const char *text);
+       int append_text(const char *text, long len);
+       int append_data(const char *text);
+       int append_data(const char *text, long len);
+
+       char* read_text();
+       int read_data_until(const char *tag_end, char *out, int len);
+       int read_text_until(const char *tag_end, char *out, int len);
+       int read_tag();
+       int write_to_file(const char *filename);
+       int write_to_file(FILE *file, const char *filename="");
+       int read_from_file(const char *filename, int ignore_error = 0);
+       int read_from_string(char *string);
+       char *(*decode)(char *bp, const char *sp, int n);
+       char *(*encode)(char *bp, const char *sp, int n);
+       long (*coded_length)(const char *sp, int n);
+
+       int set_shared_input(char *shared_string, long avail, int coded=1);
+       int set_shared_output(char *shared_string, long avail, int coded=1);
+       void set_coding(int coding);
+       int get_coding();
+       int rewind();
+       char *get_data();
+       char *string();
+       long length();
+
+       XMLBuffer *buffer;
+       int coded;
+
+       XMLTag tag;
+       long output_length;
+       char *output;
+       char left_delimiter, right_delimiter;
+       char filename[MAX_TITLE];
+       static const char *xml_header;
+       static const int xml_header_size;
+};
+
+#endif