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core: add ternary operator (condition) in evaluation of expressions

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This commit is contained in:
Sébastien Helleu
2017-03-04 19:41:23 +01:00
parent 07d16903f3
commit 83117f8d2a
10 changed files with 293 additions and 110 deletions
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src/core/wee-string.c
+38 -10
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@@ -2910,6 +2910,12 @@ string_input_for_buffer (const char *string)
*
* Nested variables are supported, for example: "${var1:${var2}}".
*
* Argument "list_prefix_no_replace" is a list to prevent replacements in
* string if beginning with one of the prefixes. For example if the list is
* { "if:", NULL } and string is: "${if:cond?true:false}${test${abc}}"
* then the "if:cond?true:false" is NOT replaced (via a recursive call) but
* "test${abc}" will be replaced.
*
* Argument "errors" (if not NULL) is set with number of keys not found by
* callback.
*
@@ -2920,12 +2926,13 @@ char *
string_replace_with_callback (const char *string,
const char *prefix,
const char *suffix,
const char **list_prefix_no_replace,
char *(*callback)(void *data, const char *text),
void *callback_data,
int *errors)
{
int length_prefix, length_suffix, length, length_value, index_string;
int index_result, sub_count, sub_level, sub_errors;
int index_result, sub_count, sub_level, sub_errors, replace, i;
char *result, *result2, *key, *key2, *value;
const char *pos_end_name;
@@ -2991,15 +2998,36 @@ string_replace_with_callback (const char *string,
{
if (sub_count > 0)
{
sub_errors = 0;
key2 = string_replace_with_callback (key, prefix,
suffix, callback,
callback_data,
&sub_errors);
if (errors)
(*errors) += sub_errors;
free (key);
key = key2;
replace = 1;
if (list_prefix_no_replace)
{
for (i = 0; list_prefix_no_replace[i]; i++)
{
if (strncmp (
key, list_prefix_no_replace[i],
strlen (list_prefix_no_replace[i])) == 0)
{
replace = 0;
break;
}
}
}
if (replace)
{
sub_errors = 0;
key2 = string_replace_with_callback (
key,
prefix,
suffix,
list_prefix_no_replace,
callback,
callback_data,
&sub_errors);
if (errors)
(*errors) += sub_errors;
free (key);
key = key2;
}
}
value = (*callback) (callback_data, (key) ? key : "");
if (value)