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Fix multibyte chars in prof_occurrences

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issue #901
This commit is contained in:
James Booth
2017-01-26 00:52:13 +00:00
parent b712820c99
commit 6679b890a0
3 changed files with 48 additions and 8 deletions
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22
src/common.c
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@@ -509,13 +509,18 @@ prof_occurrences(const char *const needle, const char *const haystack, int offse
return *result;
}
if (g_str_has_prefix(&haystack[offset], needle)) {
gchar *haystack_curr = g_utf8_offset_to_pointer(haystack, offset);
if (g_str_has_prefix(haystack_curr, needle)) {
if (whole_word) {
char *prev = g_utf8_prev_char(&haystack[offset]);
char *next = g_utf8_next_char(&haystack[offset] + strlen(needle) - 1);
gunichar prevu = g_utf8_get_char(prev);
gunichar nextu = g_utf8_get_char(next);
if (!g_unichar_isalnum(prevu) && !g_unichar_isalnum(nextu)) {
gchar *needle_last_ch = g_utf8_offset_to_pointer(needle, g_utf8_strlen(needle, -1)- 1);
int needle_last_ch_len = mblen(needle_last_ch, MB_CUR_MAX);
gchar *haystack_before_ch = g_utf8_prev_char(haystack_curr);
gchar *haystack_after_ch = g_utf8_next_char(haystack_curr + strlen(needle) - needle_last_ch_len);
gunichar before = g_utf8_get_char(haystack_before_ch);
gunichar after = g_utf8_get_char(haystack_after_ch);
if (!g_unichar_isalnum(before) && !g_unichar_isalnum(after)) {
*result = g_slist_append(*result, GINT_TO_POINTER(offset));
}
} else {
@@ -523,8 +528,9 @@ prof_occurrences(const char *const needle, const char *const haystack, int offse
}
}
if (haystack[offset+1] != '\0') {
*result = prof_occurrences(needle, haystack, offset+1, whole_word, result);
offset++;
if (g_strcmp0(g_utf8_offset_to_pointer(haystack, offset), "\0") != 0) {
*result = prof_occurrences(needle, haystack, offset, whole_word, result);
}
return *result;