html: Add scaffolding.

1 files changed, 127 insertions, 0 deletions

diff --git a/source/html/handler.c b/source/html/handler.c
new file mode 100644
index 00000000..39d5e9c9
--- /dev/null
+++ b/source/html/handler.c
@@ -0,0 +1,127 @@
+#include "mupdf/html.h"
+
+struct html_document_s
+{
+	fz_document super;
+	fz_context *ctx;
+	fz_xml *root;
+};
+
+struct html_page_s
+{
+};
+
+void
+html_close_document(html_document *doc)
+{
+	fz_context *ctx = doc->ctx;
+	fz_free(ctx, doc);
+}
+
+int
+html_count_pages(html_document *doc)
+{
+	return 1;
+}
+
+html_page *
+html_load_page(html_document *doc, int number)
+{
+	printf("html: load page %d\n", number);
+	return NULL;
+}
+
+void
+html_free_page(html_document *doc, html_page *page)
+{
+}
+
+fz_rect *
+html_bound_page(html_document *doc, html_page *page, fz_rect *bbox)
+{
+	printf("html: bound page\n");
+	bbox->x0 = bbox->y0 = 0;
+	bbox->x1 = 400;
+	bbox->y1 = 600;
+	return bbox;
+}
+
+void
+html_run_page(html_document *doc, html_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
+{
+	printf("html: run page\n");
+}
+
+html_document *
+html_open_document_with_stream(fz_context *ctx, fz_stream *file)
+{
+	html_document *doc;
+	fz_buffer *buf;
+	fz_xml *root;
+
+	buf = fz_read_all(file, 0);
+	root = 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->root = root;
+
+	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;
+
+	return doc;
+}
+
+html_document *
+html_open_document(fz_context *ctx, const char *filename)
+{
+	fz_stream *file;
+	html_document *doc;
+
+	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);
+	}
+
+	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
+};