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[taler-exchange] branch master updated: -add i18n object syntax check
From: |
gnunet |
Subject: |
[taler-exchange] branch master updated: -add i18n object syntax check |
Date: |
Mon, 02 Aug 2021 22:16:03 +0200 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new 61450fad -add i18n object syntax check
61450fad is described below
commit 61450fad8d371a4f75731faa51632229c881ada2
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Mon Aug 2 22:16:01 2021 +0200
-add i18n object syntax check
---
src/include/taler_json_lib.h | 10 ++++++
src/json/i18n.c | 75 +++++++++++++++++++++++++++++---------------
2 files changed, 59 insertions(+), 26 deletions(-)
diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index bc21957e..3581252c 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -566,6 +566,16 @@ TALER_JSON_extract_i18n (const json_t *object,
const char *field);
+/**
+ * Check whether a given @a i18n object is wellformed.
+ *
+ * @param i18n object with internationalized content
+ * @return true if @a i18n is well-formed
+ */
+bool
+TALER_JSON_check_i18n (const json_t *i18n);
+
+
/**
* Obtain the wire method associated with the given
* wire account details. @a wire_s must contain a payto://-URL
diff --git a/src/json/i18n.c b/src/json/i18n.c
index b92d63ed..1d3076e2 100644
--- a/src/json/i18n.c
+++ b/src/json/i18n.c
@@ -1,6 +1,6 @@
/*
This file is part of TALER
- Copyright (C) 2020 Taler Systems SA
+ Copyright (C) 2020, 2021 Taler Systems SA
TALER 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
@@ -24,31 +24,6 @@
#include "taler_json_lib.h"
-/**
- * Extract a string from @a object under the field @a field, but respecting
- * the Taler i18n rules and the language preferences expressed in @a
- * language_pattern.
- *
- * Basically, the @a object may optionally contain a sub-object
- * "${field}_i18n" with a map from IETF BCP 47 language tags to a localized
- * version of the string. If this map exists and contains an entry that
- * matches the @a language pattern, that object (usually a string) is
- * returned. If the @a language_pattern does not match any entry, or if the
- * i18n sub-object does not exist, we simply return @a field of @a object
- * (also usually a string).
- *
- * If @a object does not have a member @a field we return NULL (error).
- *
- * @param object the object to extract internationalized
- * content from
- * @param language_pattern a language preferences string
- * like "fr-CH, fr;q=0.9, en;q=0.8, *;q=0.1", following
- * https://tools.ietf.org/html/rfc7231#section-5.3.1
- * @param field name of the field to extract
- * @return NULL on error, otherwise the member from
- * @a object. Note that the reference counter is
- * NOT incremented.
- */
const json_t *
TALER_JSON_extract_i18n (const json_t *object,
const char *language_pattern,
@@ -92,4 +67,52 @@ TALER_JSON_extract_i18n (const json_t *object,
}
+bool
+TALER_JSON_check_i18n (const json_t *i18n)
+{
+ const char *field;
+ json_t *member;
+
+ if (! json_is_object (i18n))
+ return false;
+ json_object_foreach ((json_t *) i18n, field, member)
+ {
+ if (! json_is_string (member))
+ return false;
+ /* Field name must be either of format "en_UK"
+ or just "en"; we do not care about capitalization */
+ switch (strlen (field))
+ {
+ case 0:
+ case 1:
+ return false;
+ case 2:
+ if (! isalpha (field[0]))
+ return false;
+ if (! isalpha (field[1]))
+ return false;
+ break;
+ case 3:
+ case 4:
+ return false;
+ case 5:
+ if (! isalpha (field[0]))
+ return false;
+ if (! isalpha (field[1]))
+ return false;
+ if ('_' != field[2])
+ return false;
+ if (! isalpha (field[3]))
+ return false;
+ if (! isalpha (field[4]))
+ return false;
+ break;
+ default:
+ return false;
+ }
+ }
+ return true;
+}
+
+
/* end of i18n.c */
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