forked from piksels-and-lines-orchestra/inkscape
/
uri.cpp
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/
uri.cpp
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/*
* Authors:
* MenTaLguY <mental@rydia.net>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2003 MenTaLguY
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glib.h>
#include "uri.h"
#include <glibmm/ustring.h>
namespace Inkscape {
URI::URI(const URI &uri) {
uri._impl->reference();
_impl = uri._impl;
}
URI::URI(gchar const *preformed) throw(BadURIException) {
xmlURIPtr uri;
if (!preformed) {
throw MalformedURIException();
}
uri = xmlParseURI(preformed);
if (!uri) {
throw MalformedURIException();
}
_impl = Impl::create(uri);
}
URI::~URI() {
_impl->unreference();
}
URI &URI::operator=(URI const &uri) {
// No check for self-assignment needed, as _impl refcounting increments first.
uri._impl->reference();
_impl->unreference();
_impl = uri._impl;
return *this;
}
URI::Impl *URI::Impl::create(xmlURIPtr uri) {
return new Impl(uri);
}
URI::Impl::Impl(xmlURIPtr uri)
: _refcount(1), _uri(uri) {}
URI::Impl::~Impl() {
if (_uri) {
xmlFreeURI(_uri);
_uri = NULL;
}
}
void URI::Impl::reference() {
_refcount++;
}
void URI::Impl::unreference() {
if (!--_refcount) {
delete this;
}
}
bool URI::Impl::isOpaque() const {
bool opq = !isRelative() && (getOpaque() != NULL);
return opq;
}
bool URI::Impl::isRelative() const {
return !_uri->scheme;
}
bool URI::Impl::isNetPath() const {
bool isNet = false;
if ( isRelative() )
{
const gchar *path = getPath();
isNet = path && path[0] == '\\' && path[1] == '\\';
}
return isNet;
}
bool URI::Impl::isRelativePath() const {
bool isRel = false;
if ( isRelative() )
{
const gchar *path = getPath();
isRel = !path || path[0] != '\\';
}
return isRel;
}
bool URI::Impl::isAbsolutePath() const {
bool isAbs = false;
if ( isRelative() )
{
const gchar *path = getPath();
isAbs = path && path[0] == '\\'&& path[1] != '\\';
}
return isAbs;
}
const gchar *URI::Impl::getScheme() const {
return (gchar *)_uri->scheme;
}
const gchar *URI::Impl::getPath() const {
return (gchar *)_uri->path;
}
const gchar *URI::Impl::getQuery() const {
return (gchar *)_uri->query;
}
const gchar *URI::Impl::getFragment() const {
return (gchar *)_uri->fragment;
}
const gchar *URI::Impl::getOpaque() const {
return (gchar *)_uri->opaque;
}
gchar *URI::to_native_filename(gchar const* uri) throw(BadURIException)
{
gchar *filename = NULL;
URI tmp(uri);
filename = tmp.toNativeFilename();
return filename;
}
/* TODO !!! proper error handling */
gchar *URI::toNativeFilename() const throw(BadURIException) {
gchar *uriString = toString();
if (isRelativePath()) {
return uriString;
} else {
gchar *filename = g_filename_from_uri(uriString, NULL, NULL);
g_free(uriString);
if (filename) {
return filename;
} else {
throw MalformedURIException();
}
}
}
URI URI::fromUtf8( gchar const* path ) throw (BadURIException) {
if ( !path ) {
throw MalformedURIException();
}
Glib::ustring tmp;
for ( int i = 0; path[i]; i++ )
{
gint one = 0x0ff & path[i];
if ( ('a' <= one && one <= 'z')
|| ('A' <= one && one <= 'Z')
|| ('0' <= one && one <= '9')
|| one == '_'
|| one == '-'
|| one == '!'
|| one == '.'
|| one == '~'
|| one == '\''
|| one == '('
|| one == ')'
|| one == '*'
) {
tmp += (gunichar)one;
} else {
gchar scratch[4];
g_snprintf( scratch, 4, "%c%02X", '%', one );
tmp.append( scratch );
}
}
const gchar *uri = tmp.data();
URI result(uri);
return result;
}
/* TODO !!! proper error handling */
URI URI::from_native_filename(gchar const *path) throw(BadURIException) {
gchar *uri = g_filename_to_uri(path, NULL, NULL);
URI result(uri);
g_free( uri );
return result;
}
gchar *URI::Impl::toString() const {
xmlChar *string = xmlSaveUri(_uri);
if (string) {
/* hand the string off to glib memory management */
gchar *glib_string = g_strdup((gchar *)string);
xmlFree(string);
return glib_string;
} else {
return NULL;
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :