From bd4f4a136fc218f0854f5ee5219149ce5b0acdb3 Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <calcurse@cryptocrack.de>
Date: Tue, 27 Aug 2013 19:32:02 +0200
Subject: Display translated help pages
Use an algorithm similar to gettext's locale resolution to find an
appropriate translation to display. Fall back to the English version.
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
---
src/calcurse.h | 1 +
src/help.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---
src/io.c | 7 +++++++
3 files changed, 64 insertions(+), 3 deletions(-)
(limited to 'src')
diff --git a/src/calcurse.h b/src/calcurse.h
index 38b18e1..6333946 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -757,6 +757,7 @@ void io_load_app(void);
void io_load_todo(void);
void io_load_keys(const char *);
int io_check_dir(const char *);
+unsigned io_dir_exists(const char *);
unsigned io_file_exists(const char *);
int io_check_file(const char *);
int io_check_data_files(void);
diff --git a/src/help.c b/src/help.c
index bf755fd..b2a7e72 100644
--- a/src/help.c
+++ b/src/help.c
@@ -36,21 +36,74 @@
#include "calcurse.h"
+static int find_basedir(const char *locale_info[], unsigned n, char *basedir)
+{
+ int i;
+ char *locale = NULL;
+ int ret = 0;
+
+ for (i = 0; i < n; i++) {
+ if (!locale_info[i])
+ continue;
+ locale = strdup(locale_info[i]);
+
+ snprintf(basedir, BUFSIZ, DOCDIR "/%s", locale);
+ if (io_dir_exists(basedir)) {
+ ret = 1;
+ goto cleanup;
+ }
+
+ strtok(locale, ".@");
+
+ snprintf(basedir, BUFSIZ, DOCDIR "/%s", locale);
+ if (io_dir_exists(basedir)) {
+ ret = 1;
+ goto cleanup;
+ }
+
+ strtok(locale, "_");
+
+ snprintf(basedir, BUFSIZ, DOCDIR "/%s", locale);
+ if (io_dir_exists(basedir)) {
+ ret = 1;
+ goto cleanup;
+ }
+
+ free(locale);
+ locale = NULL;
+ }
+
+cleanup:
+ if (locale)
+ free(locale);
+ return ret;
+}
+
int display_help(const char *topic)
{
+ const char *locale_info[] = {
+ getenv("LANGUAGE"),
+ getenv("LC_ALL"),
+ getenv("LC_MESSAGE"),
+ getenv("LANG")
+ };
+ char basedir[BUFSIZ];
char path[BUFSIZ];
if (!topic)
topic = "intro";
- snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+ if (!find_basedir(locale_info, ARRAY_SIZE(locale_info), basedir))
+ snprintf(basedir, BUFSIZ, DOCDIR);
+
+ snprintf(path, BUFSIZ, "%s/%s.txt", basedir, topic);
if (!io_file_exists(path) && keys_str2int(topic) > 0 &&
keys_get_action(keys_str2int(topic)) > 0) {
int ch = keys_str2int(topic);
enum key action = keys_get_action(ch);
topic = keys_get_label(action);
- snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+ snprintf(path, BUFSIZ, "%s/%s.txt", basedir, topic);
}
if (!io_file_exists(path)) {
@@ -132,7 +185,7 @@ int display_help(const char *topic)
topic = "priority";
else if (!strcmp(topic, "lower-priority"))
topic = "priority";
- snprintf(path, BUFSIZ, DOCDIR "/%s.txt", topic);
+ snprintf(path, BUFSIZ, "%s/%s.txt", basedir, topic);
}
if (io_file_exists(path)) {
diff --git a/src/io.c b/src/io.c
index 737be12..b998fc4 100644
--- a/src/io.c
+++ b/src/io.c
@@ -872,6 +872,13 @@ int io_check_dir(const char *dir)
}
}
+unsigned io_dir_exists(const char *path)
+{
+ struct stat st;
+
+ return (!stat(path, &st) && S_ISDIR(st.st_mode));
+}
+
unsigned io_file_exists(const char *file)
{
FILE *fd;
--
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