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authorVincent Sanders <vince@kyllikki.org>2017-12-31 00:05:28 +0000
committerVincent Sanders <vince@kyllikki.org>2020-12-11 16:17:27 +0000
commit399d7189f21ad41bd80e11d5ff8da4037edfc1c2 (patch)
treed33b460100416c64630d1006a0a8aaf86bd58d5e /content
parent434f6c3fe7d1d2c6a3e6ae6338608a4a4421ab1b (diff)
downloadnetsurf-399d7189f21ad41bd80e11d5ff8da4037edfc1c2.tar.gz
netsurf-399d7189f21ad41bd80e11d5ff8da4037edfc1c2.tar.bz2
Add initial content handler for PDF format
Diffstat (limited to 'content')
-rw-r--r--content/content_protected.h24
-rw-r--r--content/handlers/Makefile5
-rw-r--r--content/handlers/image/jpeg.c2
-rw-r--r--content/handlers/pdf/Makefile11
-rw-r--r--content/handlers/pdf/pdf.c122
-rw-r--r--content/handlers/pdf/pdf.h29
6 files changed, 189 insertions, 4 deletions
diff --git a/content/content_protected.h b/content/content_protected.h
index fd0924d64..f8ecd42da 100644
--- a/content/content_protected.h
+++ b/content/content_protected.h
@@ -57,18 +57,36 @@ typedef struct content_handler content_handler;
* function table implementing a content type.
*/
struct content_handler {
+ /**
+ * content handler finalisation
+ */
void (*fini)(void);
+ /**
+ * create a content
+ */
nserror (*create)(const struct content_handler *handler,
lwc_string *imime_type,
const struct http_parameter *params,
struct llcache_handle *llcache,
- const char *fallback_charset, bool quirks,
+ const char *fallback_charset,
+ bool quirks,
struct content **c);
- bool (*process_data)(struct content *c,
- const char *data, unsigned int size);
+ /**
+ * ongoing fetch has received data
+ */
+ bool (*process_data)(struct content *c,
+ const char *data,
+ unsigned int size);
+
+ /**
+ * fetcher has completed retrieving all the data
+ *
+ * \param c The completed content.
+ */
bool (*data_complete)(struct content *c);
+
void (*reformat)(struct content *c, int width, int height);
void (*destroy)(struct content *c);
void (*stop)(struct content *c);
diff --git a/content/handlers/Makefile b/content/handlers/Makefile
index ea9d0c84d..b88f3cacd 100644
--- a/content/handlers/Makefile
+++ b/content/handlers/Makefile
@@ -23,5 +23,10 @@ include content/handlers/text/Makefile
S_CONTENT += $(addprefix handlers/text/,$(S_TEXT))
+# PDF content handler source
+include content/handlers/pdf/Makefile
+
+S_CONTENT += $(addprefix handlers/pdf/,$(S_PDF))
+
# extend the include search path
INCLUDE_DIRS += content/handlers
diff --git a/content/handlers/image/jpeg.c b/content/handlers/image/jpeg.c
index 549c2b674..6c0e289a5 100644
--- a/content/handlers/image/jpeg.c
+++ b/content/handlers/image/jpeg.c
@@ -19,7 +19,7 @@
/**
* \file
- * implementation of content handling for image/jpeg
+ * implementation of content handling for JPEG images.
*
* This implementation uses the IJG JPEG library.
*/
diff --git a/content/handlers/pdf/Makefile b/content/handlers/pdf/Makefile
new file mode 100644
index 000000000..32d6e27b2
--- /dev/null
+++ b/content/handlers/pdf/Makefile
@@ -0,0 +1,11 @@
+#
+# NetSurf pdf source file inclusion
+#
+# Included by content handlers Makefile
+#
+
+ifeq ($(NETSURF_USE_NSPDF),YES)
+S_PDF := pdf.c
+else
+S_PDF :=
+endif
diff --git a/content/handlers/pdf/pdf.c b/content/handlers/pdf/pdf.c
new file mode 100644
index 000000000..23457a26a
--- /dev/null
+++ b/content/handlers/pdf/pdf.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2004 James Bursa <bursa@users.sourceforge.net>
+ * Copyright 2004 John M Bell <jmb202@ecs.soton.ac.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * implementation of content handling for PDF.
+ *
+ * This implementation uses the netsurf pdf library.
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include "utils/utils.h"
+#include "content/llcache.h"
+#include "content/content_protected.h"
+
+#include "pdf.h"
+
+/**
+ * Content create entry point.
+ */
+static nserror
+pdf_create(const content_handler *handler,
+ lwc_string *imime_type,
+ const struct http_parameter *params,
+ llcache_handle *llcache,
+ const char *fallback_charset,
+ bool quirks,
+ struct content **c)
+{
+ struct content *jpeg;
+ nserror error;
+
+ jpeg = calloc(1, sizeof(struct content));
+ if (jpeg == NULL)
+ return NSERROR_NOMEM;
+
+ error = content__init(jpeg, handler, imime_type, params,
+ llcache, fallback_charset, quirks);
+ if (error != NSERROR_OK) {
+ free(jpeg);
+ return error;
+ }
+
+ *c = jpeg;
+
+ return NSERROR_OK;
+}
+
+/* exported interface documented in image_cache.h */
+static void pdf_destroy(struct content *content)
+{
+}
+
+static bool pdf_convert(struct content *c)
+{
+ content_set_ready(c);
+ content_set_done(c);
+ return true;
+}
+
+/* exported interface documented in image_cache.h */
+static bool
+pdf_redraw(struct content *c,
+ struct content_redraw_data *data,
+ const struct rect *clip,
+ const struct redraw_context *ctx)
+{
+ return true;
+}
+
+/**
+ * Clone content.
+ */
+static nserror pdf_clone(const struct content *old, struct content **newc)
+{
+ return NSERROR_NOMEM;
+}
+
+static content_type pdf_content_type(void)
+{
+ return CONTENT_PDF;
+}
+
+
+static const content_handler nspdf_content_handler = {
+ .create = pdf_create,
+ .data_complete = pdf_convert,
+ .destroy = pdf_destroy,
+ .redraw = pdf_redraw,
+ .clone = pdf_clone,
+ .type = pdf_content_type,
+ .no_share = false,
+};
+
+static const char *nspdf_types[] = {
+ "application/pdf",
+ "application/x-pdf",
+ "application/acrobat",
+ "applications/vnd.pdf",
+ "text/pdf",
+ "text/x-pdf"
+};
+
+CONTENT_FACTORY_REGISTER_TYPES(nspdf, nspdf_types, nspdf_content_handler);
diff --git a/content/handlers/pdf/pdf.h b/content/handlers/pdf/pdf.h
new file mode 100644
index 000000000..2171b80c2
--- /dev/null
+++ b/content/handlers/pdf/pdf.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2018 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * Interface for PDF content handler.
+ */
+
+#ifndef NETSURF_PDF_PDF_H_
+#define NETSURF_PDF_PDF_H_
+
+nserror nspdf_init(void);
+
+#endif