Allow translation messages to be compiled in as GTK resources

gtk/Makefile.target

@@ -69,6 +69,17 @@ $(eval $(call pkg_config_find_and_add,gmodule-2.0,GModule2))
 CFLAGS += $(GTKCFLAGS)
 LDFLAGS += -lm
 
+# ---------------------------------------------------------------------------
+# Target setup
+# ---------------------------------------------------------------------------
+
+# The gtk binary target
+EXETARGET := nsgtk
+
+# The filter and target for split messages
+MESSAGES_FILTER=gtk
+MESSAGES_TARGET=gtk/res
+
 # ---------------------------------------------------------------------------
 # Windows flag setup
 # ---------------------------------------------------------------------------
@@ -84,6 +95,9 @@ endif
 # builtin resource sources
 S_RESOURCE :=
 
+# Path to GTK resources
+NSGTK_RESOURCES_DIR := gtk/res
+
 # Glib prior to 2.32 does not have GResource handling.
 #
 # This uses pkg-config to check for the minimum required version for
@@ -106,16 +120,24 @@ NETSURF_FEATURE_GRESOURCE_ENABLED := yes
 GLIB_COMPILE_RESOURCES := glib-compile-resources
 CFLAGS += -DWITH_GRESOURCE
 
-S_RESOURCE += $(OBJROOT)/netsurf_gresource.c
+NETSURF_GRESOURCE_XML := $(NSGTK_RESOURCES_DIR)/netsurf.gresource.xml
+MESSAGES_GRESOURCE_XML := $(NSGTK_RESOURCES_DIR)/messages.gresource.xml
 
-NSGTK_RESOURCES_DIR := gtk/res
+# generate the netsurf gresource source files
-GRESOURCE_XML := $(NSGTK_RESOURCES_DIR)/netsurf.gresource.xml
+$(OBJROOT)/netsurf_gresource.c: $(NETSURF_GRESOURCE_XML) $(shell $(GLIB_COMPILE_RESOURCES) --sourcedir $(NSGTK_RESOURCES_DIR) --generate-dependencies $(NETSURF_GRESOURCE_XML))
-
-# generate the gresource source file
-$(OBJROOT)/netsurf_gresource.c: $(GRESOURCE_XML) $(shell $(GLIB_COMPILE_RESOURCES) --sourcedir $(NSGTK_RESOURCES_DIR) --generate-dependencies $(GRESOURCE_XML))
 	$(VQ)echo "GRESORCE: $<"
 	$(Q)$(GLIB_COMPILE_RESOURCES) --generate-source --sourcedir $(NSGTK_RESOURCES_DIR) --target=$@ $<
 
+S_RESOURCE += $(OBJROOT)/netsurf_gresource.c
+
+# generate the messages gresource source file
+$(OBJROOT)/messages_gresource.c: $(MESSAGES_GRESOURCE_XML) $(addsuffix /Messages,$(addprefix $(MESSAGES_TARGET)/,$(MESSAGES_LANGUAGES)))
+	$(VQ)echo "GRESORCE: $<"
+	$(Q)$(GLIB_COMPILE_RESOURCES) --generate-source --sourcedir $(NSGTK_RESOURCES_DIR) --target=$@ $<
+
+S_RESOURCE += $(OBJROOT)/messages_gresource.c
+
+
 endif
 endif
 
@@ -125,7 +147,9 @@ ifneq ($(NETSURF_FEATURE_GRESOURCE_ENABLED),yes)
 
 CFLAGS += -DWITH_BUILTIN_PIXBUF
 
-GTK_IMAGE_menu_cursor := gtk/res/menu_cursor.png
+GTK_IMAGE_favicon := favicon.png
+GTK_IMAGE_netsurf := netsurf.xpm
+GTK_IMAGE_menu_cursor := menu_cursor.png
 
 # 1: input file
 # 2: output file
@@ -143,7 +167,7 @@ $(2): $(1)
 
 endef
 
-$(eval $(foreach V,$(filter GTK_IMAGE_%,$(.VARIABLES)),$(call convert_image,$($(V)),$(OBJROOT)/$(patsubst GTK_IMAGE_%,%,$(V)).c,$(patsubst GTK_IMAGE_%,%,$(V))_pixdata)))
+$(eval $(foreach V,$(filter GTK_IMAGE_%,$(.VARIABLES)),$(call convert_image,$(addprefix $(NSGTK_RESOURCES_DIR)/,$($(V))),$(OBJROOT)/$(patsubst GTK_IMAGE_%,%,$(V)).c,$(patsubst GTK_IMAGE_%,%,$(V))_pixdata)))
 endif
 endif
 
@@ -167,13 +191,6 @@ S_GTK := $(addprefix gtk/,$(S_GTK)) $(addprefix utils/,container.c)
 #   are not yet available
 SOURCES = $(S_COMMON) $(S_IMAGE) $(S_BROWSER) $(S_RESOURCE) $(S_GTK)
 
-# The gtk binary target
-EXETARGET := nsgtk
-
-# The filter and target for split messages
-MESSAGES_FILTER=gtk
-MESSAGES_TARGET=gtk/res
-
 # ----------------------------------------------------------------------------
 # Install target
 # ----------------------------------------------------------------------------

gtk/gui.c

@@ -1047,13 +1047,22 @@ static struct gui_browser_table nsgtk_browser_table = {
 static nserror nsgtk_messages_init(char **respaths)
 {
 	char *messages;
-	nserror ret = NSERROR_NOT_FOUND;
+	nserror ret;
+	const uint8_t *data;
+	size_t data_size;
 
+	ret = nsgtk_data_from_resname("Messages", &data, &data_size);
+	if (ret == NSERROR_OK) {
+		ret = messages_add_from_inline(data, data_size);
+	} else {
 		/* Obtain path to messages */
 		messages = filepath_find(respaths, "Messages");
 		if (messages != NULL) {
 			ret = messages_add_from_file(messages);
 			free(messages);
+		} else {
+			ret = NSERROR_NOT_FOUND;
+		}
 	}
 	return ret;
 }

gtk/res/messages.gresource.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/org/netsurf">
+    <file>Messages</file>
+    <file>nl/Messages</file>
+    <file>de/Messages</file>
+    <file>fr/Messages</file>
+    <file>it/Messages</file>
+  </gresource>
+</gresources>

gtk/resources.c

@@ -45,8 +45,12 @@
 #ifdef WITH_BUILTIN_PIXBUF
 #ifdef __GNUC__
 extern const guint8 menu_cursor_pixdata[] __attribute__ ((__aligned__ (4)));
+const guint8 favicon_pixdata[] __attribute__ ((__aligned__ (4)));
+const guint8 netsurf_pixdata[] __attribute__ ((__aligned__ (4)));
 #else
 extern const guint8 menu_cursor_pixdata[];
+const guint8 favicon_pixdata[];
+const guint8 netsurf_pixdata[];
 #endif
 #endif
 
@@ -119,6 +123,7 @@ static struct nsgtk_resource_s direct_resource[] = {
 	RES_ENTRY("icons/hotlist-add.png"),
 	RES_ENTRY("icons/hotlist-rmv.png"),
 	RES_ENTRY("icons/search.png"),
+	RES_ENTRY("Messages"),
 	{ NULL, 0, NSGTK_RESOURCE_FILE, NULL },
 };
 
@@ -129,9 +134,8 @@ GdkCursor *nsgtk_create_menu_cursor(void)
 	GdkCursor *cursor = NULL;
 	GdkPixbuf *pixbuf;
 	nserror res;
-	const char *resname = "menu_cursor.png";
 
-	res = nsgdk_pixbuf_new_from_resname(resname, &pixbuf);
+	res = nsgdk_pixbuf_new_from_resname("menu_cursor.png", &pixbuf);
 	if (res == NSERROR_OK) {
 		cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(),
 						    pixbuf, 0, 3);
@@ -284,6 +288,20 @@ init_pixbuf_resource(char **respath, struct nsgtk_resource_s *resource)
 		LOG("Found builtin for %s", resource->name);
 		return NSERROR_OK;
 	}
+
+	if (strncmp(resource->name, "netsurf.xpm", resource->len) == 0) {
+		resource->path = (char *)&netsurf_pixdata[0];
+		resource->type = NSGTK_RESOURCE_INLINE;
+		LOG("Found builtin for %s", resource->name);
+		return NSERROR_OK;
+	}
+
+	if (strncmp(resource->name, "favicon.png", resource->len) == 0) {
+		resource->path = (char *)&favicon_pixdata[0];
+		resource->type = NSGTK_RESOURCE_INLINE;
+		LOG("Found builtin for %s", resource->name);
+		return NSERROR_OK;
+	}
 #endif
 	return init_resource(respath, resource);
 }

utils/messages.c

@@ -44,6 +44,41 @@
 /** The hash table used to store the standard Messages file for the old API */
 static struct hash_table *messages_hash = NULL;
 
+/**
+ * process a line of input.
+ */
+static nserror
+message_process_line(struct hash_table *hash, uint8_t *ln, int lnlen)
+{
+	uint8_t *value;
+	uint8_t *colon;
+
+	/* empty or comment lines */
+	if (ln[0] == 0 || ln[0] == '#') {
+		return NSERROR_OK;
+	}
+
+	/* find first colon as key/value separator */
+	for (colon = ln; colon < (ln + lnlen); colon++) {
+		if (*colon == ':') {
+			break;
+		}
+	}
+	if (colon == (ln + lnlen)) {
+		/* no colon found */
+		return NSERROR_INVALID;
+	}
+
+	*colon = 0;  /* terminate key */
+	value = colon + 1;
+
+	if (hash_add(hash, (char *)ln, (char *)value) == false) {
+		LOG("Unable to add %s:%s to hash table", ln, value);
+		return NSERROR_INVALID;
+	}
+	return NSERROR_OK;
+}
+
 /**
  * Read keys and values from messages file.
  *
@@ -147,19 +182,89 @@ nserror messages_add_from_file(const char *path)
 	nserror err;
 
 	if (path == NULL) {
-		err = NSERROR_BAD_PARAMETER;
+		return NSERROR_BAD_PARAMETER;
-	} else {
+	}
+
 	LOG("Loading Messages from '%s'", path);
 
 	err = messages_load_ctx(path, &messages_hash);
-	}
+
 
 	return err;
 }
 
+
 /* exported interface documented in messages.h */
-nserror messages_add_from_inline(const char *data)
+nserror messages_add_from_inline(const uint8_t *data, size_t data_size)
 {
+	z_stream strm;
+	int ret;
+	uint8_t s[512]; /* line buffer */
+	size_t used = 0; /* number of bytes in buffer in use */
+	uint8_t *nl;
+
+	/* ensure the hash table is initialised */
+	if (messages_hash == NULL) {
+		messages_hash = hash_create(HASH_SIZE);
+	}
+	if (messages_hash == NULL) {
+		LOG("Unable to create hash table");
+		return NSERROR_NOMEM;
+	}
+
+	strm.zalloc = Z_NULL;
+	strm.zfree = Z_NULL;
+	strm.opaque = Z_NULL;
+
+	strm.next_in = (uint8_t *)data;
+	strm.avail_in = data_size;
+
+	ret = inflateInit2(&strm, 32 + MAX_WBITS);
+	if (ret != Z_OK) {
+		LOG("inflateInit returned %d", ret);
+		return NSERROR_INVALID;
+	}
+
+	do {
+		strm.next_out = s + used;
+		strm.avail_out = sizeof(s) - used;
+
+		ret = inflate(&strm, Z_NO_FLUSH);
+		if ((ret != Z_OK) && (ret != Z_STREAM_END)) {
+			break;
+		}
+
+		used = sizeof(s) - strm.avail_out;
+		while (used > 0) {
+			/* find nl */
+			for (nl = &s[0]; nl < &s[used]; nl++) {
+				if (*nl == '\n') {
+					break;
+				}
+			}
+			if (nl == &s[used]) {
+				/* no nl found */
+				break;
+			}
+			/* found newline */
+			*nl = 0; /* null terminate line */
+			message_process_line(messages_hash, &s[0], nl - &s[0]);
+			memmove(&s[0], nl + 1, used - ((nl + 1) - &s[0]) );
+			used -= ((nl +1) - &s[0]);
+		}
+		if (used == sizeof(s)) {
+			/* entire buffer used and no newline */
+			LOG("Overlength line");
+			used = 0;
+		}
+	} while (ret != Z_STREAM_END);
+
+	inflateEnd(&strm);
+
+	if (ret != Z_STREAM_END) {
+		LOG("inflate returned %d", ret);
+		return NSERROR_INVALID;
+	}
 	return NSERROR_OK;
 }
 

utils/messages.h

@@ -33,6 +33,8 @@
 #ifndef _NETSURF_UTILS_MESSAGES_H_
 #define _NETSURF_UTILS_MESSAGES_H_
 
+#include <stdint.h>
+
 #include "utils/errors.h"
 
 /**
@@ -57,7 +59,7 @@ nserror messages_add_from_file(const char *path);
  * \param data The inline message data.
  * \return NSERROR_OK on success or error code on faliure.
  */
-nserror messages_add_from_inline(const char *data);
+nserror messages_add_from_inline(const uint8_t *data, size_t data_size);
 
 /**
  * Fast lookup of a message by key from the standard Messages hash.