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#include "mupdf/html.h"
#define DEFW (450)
#define DEFH (600)
void
html_close_document(html_document *doc)
{
fz_context *ctx = doc->ctx;
fz_free(ctx, doc);
}
int
html_count_pages(html_document *doc)
{
int count;
if (!doc->box) html_layout_document(doc, DEFW, DEFH);
count = ceilf(doc->box->h / doc->page_h);
printf("count pages! %g / %g = %d\n", doc->box->h, doc->page_h, count);
return count;
}
html_page *
html_load_page(html_document *doc, int number)
{
printf("load page %d\n", number);
if (!doc->box) html_layout_document(doc, DEFW, DEFH);
return (void*)((intptr_t)number + 1);
}
void
html_free_page(html_document *doc, html_page *page)
{
}
fz_rect *
html_bound_page(html_document *doc, html_page *page, fz_rect *bbox)
{
if (!doc->box) html_layout_document(doc, DEFW, DEFH);
printf("html: bound page\n");
bbox->x0 = bbox->y0 = 0;
bbox->x1 = doc->page_w;
bbox->y1 = doc->page_h;
return bbox;
}
void
html_run_page(html_document *doc, html_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
int n = ((intptr_t)page) - 1;
printf("html: run page %d\n", n);
html_run_box(doc->ctx, doc->box, n * doc->page_h, (n+1) * doc->page_h, dev, ctm);
}
html_document *
html_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
html_document *doc;
fz_buffer *buf;
fz_xml *xml;
buf = fz_read_all(file, 0);
fz_write_buffer_byte(ctx, buf, 0);
printf("html: parsing XHTML.\n");
xml = fz_parse_xml(ctx, buf->data, buf->len, 1);
fz_drop_buffer(ctx, buf);
doc = fz_malloc_struct(ctx, html_document);
doc->ctx = ctx;
doc->dirname = NULL;
doc->super.close = (void*)html_close_document;
doc->super.count_pages = (void*)html_count_pages;
doc->super.load_page = (void*)html_load_page;
doc->super.bound_page = (void*)html_bound_page;
doc->super.run_page_contents = (void*)html_run_page;
doc->super.free_page = (void*)html_free_page;
doc->xml = xml;
doc->box = NULL;
return doc;
}
html_document *
html_open_document(fz_context *ctx, const char *filename)
{
fz_stream *file;
html_document *doc;
char *s;
file = fz_open_file(ctx, filename);
if (!file)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", filename, strerror(errno));
fz_try(ctx)
{
doc = html_open_document_with_stream(ctx, file);
}
fz_always(ctx)
{
fz_close(file);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
doc->dirname = fz_strdup(ctx, filename);
s = strrchr(doc->dirname, '/');
if (!s) s = strrchr(doc->dirname, '\\');
if (s) s[1] = 0;
else doc->dirname[0] = 0;
return doc;
}
static int
html_recognize(fz_context *doc, const char *magic)
{
char *ext = strrchr(magic, '.');
if (ext)
{
if (!fz_strcasecmp(ext, ".xhtml") || !fz_strcasecmp(ext, ".html"))
return 100;
}
if (!strcmp(magic, "application/html+xml") || !strcmp(magic, "application/xml") || !strcmp(magic, "text/xml"))
return 100;
return 0;
}
fz_document_handler html_document_handler =
{
(fz_document_recognize_fn *)&html_recognize,
(fz_document_open_fn *)&html_open_document,
(fz_document_open_with_stream_fn *)&html_open_document_with_stream
};
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