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/* imposter (OO.org Impress viewer)
** Copyright (C) 2003-2005 Gurer Ozen
** This code is free software; you can redistribute it and/or
** modify it under the terms of GNU General Public License.
*/
#include "common.h"
#include "internal.h"
static iks *
_imp_load_xml(ImpDoc *doc, const char *xmlfile)
{
int e;
iks *x;
x = zip_load_xml (doc->zfile, xmlfile, &e);
return x;
}
ImpDoc *
imp_open(const char *filename, int *err)
{
ImpDoc *doc;
int e;
doc = calloc(1, sizeof(ImpDoc));
if (!doc) {
*err = IMP_NOMEM;
return NULL;
}
doc->stack = iks_stack_new(sizeof(ImpPage) * 32, 0);
if (!doc->stack) {
*err = IMP_NOMEM;
imp_close(doc);
return NULL;
}
doc->zfile = zip_open(filename, &e);
if (e) {
*err = IMP_NOTZIP;
imp_close(doc);
return NULL;
}
doc->content = _imp_load_xml(doc, "content.xml");
doc->styles = _imp_load_xml(doc, "styles.xml");
doc->meta = _imp_load_xml(doc, "meta.xml");
if (!doc->content || !doc->styles) {
*err = IMP_BADDOC;
imp_close(doc);
return NULL;
}
e = _imp_oo13_load(doc);
if (e && e != IMP_NOTIMP) {
*err = e;
imp_close(doc);
return NULL;
}
if (e == IMP_NOTIMP) {
e = _imp_oasis_load(doc);
if (e) {
*err = e;
imp_close(doc);
return NULL;
}
}
return doc;
}
int
imp_nr_pages(ImpDoc *doc)
{
return doc->nr_pages;
}
ImpPage *
imp_get_page(ImpDoc *doc, int page_no)
{
if (page_no == IMP_LAST_PAGE) {
return doc->last_page;
} else {
ImpPage *page;
if (page_no < 0 || page_no > doc->nr_pages) return NULL;
for (page = doc->pages; page_no; --page_no) {
page = page->next;
}
return page;
}
}
ImpPage *
imp_next_page(ImpPage *page)
{
return page->next;
}
ImpPage *
imp_prev_page(ImpPage *page)
{
return page->prev;
}
int
imp_get_page_no(ImpPage *page)
{
return page->nr;
}
const char *
imp_get_page_name(ImpPage *page)
{
return page->name;
}
void *
imp_get_xml(ImpDoc *doc, const char *filename)
{
if (strcmp(filename, "content.xml") == 0)
return doc->content;
else if (strcmp(filename, "styles.xml") == 0)
return doc->styles;
else if (strcmp(filename, "meta.xml") == 0)
return doc->meta;
else
return NULL;
}
void
imp_close(ImpDoc *doc)
{
if (doc->stack) iks_stack_delete(doc->stack);
if (doc->zfile) zip_close(doc->zfile);
free(doc);
}
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