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gz support for OSM xml reading and writing

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This commit is contained in:
Patrick Brosi 2023-08-23 13:46:23 +02:00
parent ed15d5d1de
commit d43d9fc908
10 changed files with 137 additions and 44 deletions
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28
src/util/xml/XmlWriter.h
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@ -5,8 +5,12 @@
#ifndef UTIL_XML_XMLWRITER_H_
#define UTIL_XML_XMLWRITER_H_
#ifdef ZLIB_FOUND
#include <zlib.h>
#endif
#include <map>
#include <ostream>
#include <fstream>
#include <stack>
#include <string>
@ -30,7 +34,15 @@ class XmlWriter {
explicit XmlWriter(std::ostream* out);
XmlWriter(std::ostream* out, bool pretty);
XmlWriter(std::ostream* out, bool pretty, size_t indent);
~XmlWriter(){};
explicit XmlWriter(const std::string& file);
XmlWriter(const std::string& file, bool pretty);
XmlWriter(const std::string& file, bool pretty, size_t indent);
~XmlWriter(){
#ifdef ZLIB_FOUND
if (_gzfile) gzclose(_gzfile);
#endif
};
// open tag without attributes
void openTag(const std::string& tag);
@ -55,6 +67,11 @@ class XmlWriter {
// close all open tags, essentially closing the document
void closeTags();
// pushes XML escaped text to stream
void putEsced(const std::string& str, char quot);
void put(const std::string& str);
void put(const char c);
private:
enum XML_NODE_T { TAG, TEXT, COMMENT };
@ -67,19 +84,24 @@ class XmlWriter {
};
std::ostream* _out;
std::ofstream _outs;
std::stack<XmlNode> _nstack;
bool _pretty;
size_t _indent;
#ifdef ZLIB_FOUND
gzFile _gzfile;
#else
int _gzfile;
#endif
// handles indentation
void doIndent();
// close "hanging" tags
void closeHanging();
// pushes XML escaped text to stream
void putEsced(std::ostream* out, const std::string& str, char quot);
// checks tag names for validiy
void checkTagName(const std::string& str) const;