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authorTom Ross <midgey@rockbox.org>2009-10-18 00:56:42 +0000
committerTom Ross <midgey@rockbox.org>2009-10-18 00:56:42 +0000
commitec2737b2c24ac442d2b9fcf0f0222becb456d8ce (patch)
treea375c87ad5236558ded8169e4065b24a377875fc /apps
parentbde02318035b9cad07a288b611f2b77fdf9cf1f8 (diff)
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Change the .lng files to contain strings from multiple users. Still hard-coded to only output the core strings for now. Should be the majority of the core changes needed for translatable plugins.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23241 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps')
-rw-r--r--apps/filetree.c2
-rw-r--r--apps/lang/lang.make7
-rw-r--r--apps/language.c78
-rw-r--r--apps/language.h7
-rw-r--r--apps/main.c6
-rw-r--r--apps/settings.c2
6 files changed, 66 insertions, 36 deletions
diff --git a/apps/filetree.c b/apps/filetree.c
index 8fbc39fa67..3468051b55 100644
--- a/apps/filetree.c
+++ b/apps/filetree.c
@@ -526,7 +526,7 @@ int ft_enter(struct tree_context* c)
case FILE_ATTR_LNG:
splash(0, ID2P(LANG_WAIT));
- if(!lang_load(buf)) {
+ if(!lang_core_load(buf)) {
set_file(buf, (char *)global_settings.lang_file,
MAX_FILENAME);
talk_init(); /* use voice of same language */
diff --git a/apps/lang/lang.make b/apps/lang/lang.make
index e32f084a29..f7366c9225 100644
--- a/apps/lang/lang.make
+++ b/apps/lang/lang.make
@@ -18,9 +18,14 @@ CLEANOBJS += $(BUILDDIR)/lang/max_language_size.h $(BUILDDIR)/lang/lang*
# Therefore we create it here.
#DUMMY := $(shell mkdir -p $(BUILDDIR)/apps/lang)
+# Calculate the maximum language size. Currently based on the file size
+# of the largest lng file. Subtract 10 due to HEADER_SIZE and
+# SUBHEADER_SIZE.
+# TODO: In the future generate this file within genlang or another script
+# in order to only calculate the maximum size based on the core strings.
$(BUILDDIR)/lang/max_language_size.h: $(LANGOBJ)
$(call PRINTS,Create $(notdir $@))
- $(SILENT)echo "#define MAX_LANGUAGE_SIZE `ls -ln $(BUILDDIR)/apps/lang/* | awk '{print $$5}' | sort -n | tail -1`" > $@
+ $(SILENT)echo "#define MAX_LANGUAGE_SIZE `ls -ln $(BUILDDIR)/apps/lang/* | awk '{print $$5-10}' | sort -n | tail -1`" > $@
$(BUILDDIR)/lang/lang_core.o: $(APPSDIR)/lang/$(LANGUAGE).lang $(BUILDDIR)/apps/features
$(SILENT)for f in `cat $(BUILDDIR)/apps/features`; do feat="$$feat:$$f" ; done; \
diff --git a/apps/language.c b/apps/language.c
index fe9ad5e97d..70549e194d 100644
--- a/apps/language.c
+++ b/apps/language.c
@@ -37,10 +37,11 @@
/* These defines must match the initial bytes in the binary lang file */
/* See tools/genlang (TODO: Use common include for both) */
#define LANGUAGE_COOKIE 0x1a
-#define LANGUAGE_VERSION 0x05
+#define LANGUAGE_VERSION 0x06
#define LANGUAGE_FLAG_RTL 0x01
#define HEADER_SIZE 4
+#define SUBHEADER_SIZE 6
static unsigned char language_buffer[MAX_LANGUAGE_SIZE];
static unsigned char lang_options = 0;
@@ -54,52 +55,62 @@ void lang_init(const unsigned char *builtin, unsigned char **dest, int count)
}
}
-int lang_load(const char *filename)
+int lang_load(const char *filename, const unsigned char *builtin,
+ unsigned char **dest, unsigned char *buffer,
+ unsigned int user_num, int max_lang_size,
+ unsigned int max_id)
{
- int fsize;
+ int lang_size;
int fd = open(filename, O_RDONLY);
int retcode=0;
unsigned char lang_header[HEADER_SIZE];
+ unsigned char sub_header[SUBHEADER_SIZE];
+ unsigned int id, num_strings, foffset;
+
if(fd < 0)
return 1;
- fsize = filesize(fd) - HEADER_SIZE;
- if(fsize <= MAX_LANGUAGE_SIZE) {
- read(fd, lang_header, HEADER_SIZE);
- if((lang_header[0] == LANGUAGE_COOKIE) &&
- (lang_header[1] == LANGUAGE_VERSION) &&
- (lang_header[2] == TARGET_ID)) {
- read(fd, language_buffer, MAX_LANGUAGE_SIZE);
- unsigned char *ptr = language_buffer;
- int id;
+ read(fd, lang_header, HEADER_SIZE);
+ if((lang_header[0] == LANGUAGE_COOKIE) &&
+ (lang_header[1] == LANGUAGE_VERSION) &&
+ (lang_header[2] == TARGET_ID)) {
+ /* jump to the proper entry in the table of subheaders */
+ lseek(fd, user_num * SUBHEADER_SIZE, SEEK_CUR);
+ read(fd, sub_header, SUBHEADER_SIZE);
+ /* read in information about the requested lang */
+ num_strings = (sub_header[0]<<8) | sub_header[1];
+ lang_size = (sub_header[2]<<8) | sub_header[3];
+ foffset = (sub_header[4]<<8) | sub_header[5];
+ if(lang_size <= max_lang_size) {
/* initialize with builtin */
- lang_init(language_builtin, language_strings,
- LANG_LAST_INDEX_IN_ARRAY);
+ lang_init(builtin, dest, num_strings);
+ lseek(fd, foffset, SEEK_SET);
+ read(fd, buffer, lang_size);
- while(fsize>3) {
- id = (ptr[0]<<8) | ptr[1]; /* get two-byte id */
- ptr+=2; /* pass the id */
- if(id < LANG_LAST_INDEX_IN_ARRAY) {
+ while(lang_size>3) {
+ id = ((buffer[0]<<8) | buffer[1]); /* get two-byte id */
+ buffer += 2; /* pass the id */
+ if(id < max_id) {
#if 0
- DEBUGF("%2x New: %30s ", id, ptr);
- DEBUGF("Replaces: %s\n", language_strings[id]);
+ DEBUGF("%2x New: %30s ", id, buffer);
+ DEBUGF("Replaces: %s\n", dest[id]);
#endif
- language_strings[id] = ptr; /* point to this string */
- }
- while(*ptr) { /* pass the string */
- fsize--;
- ptr++;
+ dest[id] = buffer; /* point to this string */
}
- fsize-=3; /* the id and the terminating zero */
- ptr++; /* pass the terminating zero-byte */
+ while(*buffer) { /* pass the string */
+ lang_size--;
+ buffer++;
+ }
+ lang_size-=3; /* the id and the terminating zero */
+ buffer++; /* pass the terminating zero-byte */
}
}
else {
- DEBUGF("Illegal language file\n");
+ DEBUGF("Language %s too large: %d\n", filename, lang_size);
retcode = 2;
}
}
else {
- DEBUGF("Language %s too large: %d\n", filename, fsize);
+ DEBUGF("Illegal language file\n");
retcode = 3;
}
close(fd);
@@ -107,10 +118,17 @@ int lang_load(const char *filename)
return retcode;
}
+int lang_core_load(const char *filename)
+{
+ return lang_load(filename, core_language_builtin, language_strings,
+ language_buffer, 0, MAX_LANGUAGE_SIZE,
+ LANG_LAST_INDEX_IN_ARRAY);
+}
+
int lang_english_to_id(const char *english)
{
int i;
- unsigned char *ptr = (unsigned char *) language_builtin;
+ unsigned char *ptr = (unsigned char *) core_language_builtin;
for (i = 0; i < LANG_LAST_INDEX_IN_ARRAY; i++) {
if (!strcmp(ptr, english))
diff --git a/apps/language.h b/apps/language.h
index 4cfe2b22ce..cbfa7e2c1d 100644
--- a/apps/language.h
+++ b/apps/language.h
@@ -25,7 +25,12 @@
void lang_init(const unsigned char *builtin, unsigned char **dest, int count);
/* load a given language file */
-int lang_load(const char *filename);
+int lang_core_load(const char *filename);
+
+int lang_load(const char *filename, const unsigned char *builtin,
+ unsigned char **dest, unsigned char *buffer,
+ unsigned int user_num, int max_lang_size,
+ unsigned int max_id);
/* get the ID of an english string so it can be localised */
int lang_english_to_id(const char *english);
diff --git a/apps/main.c b/apps/main.c
index 3c93b4fea4..ec4829189b 100644
--- a/apps/main.c
+++ b/apps/main.c
@@ -308,7 +308,8 @@ static void init(void)
button_init();
backlight_init();
sim_tasks_init();
- lang_init(language_builtin, language_strings, LANG_LAST_INDEX_IN_ARRAY);
+ lang_init(core_language_builtin, language_strings,
+ LANG_LAST_INDEX_IN_ARRAY);
#ifdef DEBUG
debug_init();
#endif
@@ -399,7 +400,8 @@ static void init(void)
font_init();
show_logo();
- lang_init(language_builtin, language_strings, LANG_LAST_INDEX_IN_ARRAY);
+ lang_init(core_language_builtin, language_strings,
+ LANG_LAST_INDEX_IN_ARRAY);
#ifdef DEBUG
debug_init();
diff --git a/apps/settings.c b/apps/settings.c
index 2a5e31824f..6cbd559f94 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -900,7 +900,7 @@ void settings_apply(bool read_disk)
if ( global_settings.lang_file[0]) {
snprintf(buf, sizeof buf, LANG_DIR "/%s.lng",
global_settings.lang_file);
- lang_load(buf);
+ lang_core_load(buf);
talk_init(); /* use voice of same language */
}