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comparison: libpurple/util.c

libpurple/util.c

changeset 16144
4e022531d1c9
parent 16143
6393e5b11ff5
child 16214
74d15bac89b7
child 20478
46933dc62880
equal deleted inserted replaced
16143:6393e5b11ff5 16144:4e022531d1c9
859 859
860 /************************************************************************** 860 /**************************************************************************
861 * Markup Functions 861 * Markup Functions
862 **************************************************************************/ 862 **************************************************************************/
863 863
864 /* Returns a NULL-terminated string after unescaping an entity
865 * (eg. &, < &#38 etc.) starting at s. Returns NULL on failure.*/
866 const char * 864 const char *
867 purple_markup_detect_entity(const char *text, int *length) 865 purple_markup_unescape_entity(const char *text, int *length)
868 { 866 {
869 const char *pln; 867 const char *pln;
870 int len, pound; 868 int len, pound;
871 869
872 if (!text || *text != '&') 870 if (!text || *text != '&')
907 if (length) 905 if (length)
908 *length = len; 906 *length = len;
909 return pln; 907 return pln;
910 } 908 }
911 909
912 gchar* 910 char *
913 purple_markup_get_css_property(const gchar *style, 911 purple_markup_get_css_property(const gchar *style,
914 const gchar *opt) 912 const gchar *opt)
915 { 913 {
916 const gchar *css_str = style; 914 const gchar *css_str = style;
917 const gchar *css_value_start; 915 const gchar *css_value_start;
918 const gchar *css_value_end; 916 const gchar *css_value_end;
919 gchar *tmp; 917 gchar *tmp;
920 gchar *ret; 918 gchar *ret;
921 919
922 if(!css_str) 920 if (!css_str)
923 return NULL; 921 return NULL;
924 922
925 /* find the CSS property */ 923 /* find the CSS property */
926 while(1){ 924 while (1)
927 /* skip widespace characters */ 925 {
928 while(*css_str && g_ascii_isspace(*css_str)) 926 /* skip whitespace characters */
927 while (*css_str && g_ascii_isspace(*css_str))
929 css_str++; 928 css_str++;
930 if(!g_ascii_isalpha(*css_str)) 929 if (!g_ascii_isalpha(*css_str))
931 return NULL; 930 return NULL;
932 if(g_ascii_strncasecmp(css_str, opt, strlen(opt))) 931 if (g_ascii_strncasecmp(css_str, opt, strlen(opt)))
933 { 932 {
934 /* go to next css property positioned after the next ';' */ 933 /* go to next css property positioned after the next ';' */
935 while(*css_str && *css_str != '"' && *css_str != ';') 934 while (*css_str && *css_str != '"' && *css_str != ';')
936 css_str++; 935 css_str++;
937 if(*css_str != ';') 936 if(*css_str != ';')
938 return NULL; 937 return NULL;
939 css_str++; 938 css_str++;
940 } 939 }
941 else break; 940 else
941 break;
942 } 942 }
943 943
944 /* find the CSS value position in the string */ 944 /* find the CSS value position in the string */
945 css_str += strlen(opt); 945 css_str += strlen(opt);
946 while(*css_str && g_ascii_isspace(*css_str)) 946 while (*css_str && g_ascii_isspace(*css_str))
947 css_str++; 947 css_str++;
948 if(*css_str != ':') 948 if (*css_str != ':')
949 return NULL; 949 return NULL;
950 css_str++; 950 css_str++;
951 while(*css_str && g_ascii_isspace(*css_str)) 951 while (*css_str && g_ascii_isspace(*css_str))
952 css_str++; 952 css_str++;
953 if(*css_str == '\0' || *css_str == '"' || *css_str == ';') 953 if (*css_str == '\0' || *css_str == '"' || *css_str == ';')
954 return NULL; 954 return NULL;
955 955
956 /* mark the CSS value */ 956 /* mark the CSS value */
957 css_value_start = css_str; 957 css_value_start = css_str;
958 while(*css_str && *css_str != '"' && *css_str != ';') 958 while (*css_str && *css_str != '"' && *css_str != ';')
959 css_str++; 959 css_str++;
960 css_value_end = css_str - 1; 960 css_value_end = css_str - 1;
961 961
962 /* Removes trailing whitespace */ 962 /* Removes trailing whitespace */
963 while(css_value_end > css_value_start && g_ascii_isspace(*css_value_end)) 963 while (css_value_end > css_value_start && g_ascii_isspace(*css_value_end))
964 css_value_end--; 964 css_value_end--;
965 965
966 tmp = g_strndup(css_value_start, css_value_end - css_value_start + 1); 966 tmp = g_strndup(css_value_start, css_value_end - css_value_start + 1);
967 ret = purple_unescape_html(tmp); 967 ret = purple_unescape_html(tmp);
968 g_free(tmp); 968 g_free(tmp);
1568 } else if(*c == '&') { 1568 } else if(*c == '&') {
1569 char buf[7]; 1569 char buf[7];
1570 const char *pln; 1570 const char *pln;
1571 int len; 1571 int len;
1572 1572
1573 if ((pln = purple_markup_detect_entity(c, &len)) == NULL) { 1573 if ((pln = purple_markup_unescape_entity(c, &len)) == NULL) {
1574 len = 1; 1574 len = 1;
1575 g_snprintf(buf, sizeof(buf), "%c", *c); 1575 g_snprintf(buf, sizeof(buf), "%c", *c);
1576 pln = buf; 1576 pln = buf;
1577 } 1577 }
1578 xhtml = g_string_append_len(xhtml, c, len); 1578 xhtml = g_string_append_len(xhtml, c, len);
1773 else if (!g_ascii_isspace(str2[i])) 1773 else if (!g_ascii_isspace(str2[i]))
1774 { 1774 {
1775 visible = TRUE; 1775 visible = TRUE;
1776 } 1776 }
1777 1777
1778 if (str2[i] == '&' && (ent = purple_markup_detect_entity(str2 + i, &entlen)) != NULL) 1778 if (str2[i] == '&' && (ent = purple_markup_unescape_entity(str2 + i, &entlen)) != NULL)
1779 { 1779 {
1780 while (*ent) 1780 while (*ent)
1781 str2[j++] = *ent++; 1781 str2[j++] = *ent++;
1782 i += entlen - 1; 1782 i += entlen - 1;
1783 continue; 1783 continue;
2091 GString *ret = g_string_new(""); 2091 GString *ret = g_string_new("");
2092 while (*c) { 2092 while (*c) {
2093 int len; 2093 int len;
2094 const char *ent; 2094 const char *ent;
2095 2095
2096 if ((ent = purple_markup_detect_entity(c, &len)) != NULL) { 2096 if ((ent = purple_markup_unescape_entity(c, &len)) != NULL) {
2097 ret = g_string_append(ret, ent); 2097 ret = g_string_append(ret, ent);
2098 c += len; 2098 c += len;
2099 } else if (!strncmp(c, "<br>", 4)) { 2099 } else if (!strncmp(c, "<br>", 4)) {
2100 ret = g_string_append_c(ret, '\n'); 2100 ret = g_string_append_c(ret, '\n');
2101 c += 4; 2101 c += 4;

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