2007-01-03 [wwp] 2.6.1cvs102
[claws.git] / src / html.c
index 0cdd01f03685864d798e7fb3db50287614613c85..455bc15528f8110730346181a6e7aa1f2f2c7ae8 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include <glib.h>
 #include "codeconv.h"
 #include "utils.h"
 
-#define HTMLBUFSIZE    8192
+#define SC_HTMLBUFSIZE 8192
 #define HR_STR         "------------------------------------------------"
 
-typedef struct _HTMLSymbol     HTMLSymbol;
+typedef struct _SC_HTMLSymbol  SC_HTMLSymbol;
 
-struct _HTMLSymbol
+struct _SC_HTMLSymbol
 {
        gchar *const key;
        gchar *const val;
 };
 
-static HTMLSymbol symbol_list[] = {
-       {"&lt;"    , "<"},
-       {"&gt;"    , ">"},
-       {"&amp;"   , "&"},
-       {"&quot;"  , "\""},
-       {"&nbsp;"  , " "},
-       {"&trade;" , "(TM)"},
+static SC_HTMLSymbol symbol_list[] = {
+       {"&lt;", "\74"},
+       {"&gt;", "\76"},
+       {"&amp;", "\46"},
+       {"&quot;", "\42"},
+       {"&lsquo;", "\47"},
+       {"&rsquo;", "\47"},
+       {"&ldquo;", "\42"},
+       {"&rdquo;", "\42"},
+       {"&laquo;", "\302\253"},
+       {"&raquo;", "\302\273"},
+       {"&nbsp;", "\40"},
+       {"&trade;", "\50\124\115\51"},
+       {"&hellip;", "\56\56\56"},
+       {"&bull;", "\52"},
+       {"&ndash;", "\55"},
+       {"&mdash;", "\55\55"},
+       {"&euro;", "\105\125\122"},
+       {"&cent;", "\302\242"},
+       {"&pound;", "\302\243"},
+       {"&curren;", "\302\244"},
+       {"&yen;", "\302\245"},
+       {"&copy;", "\302\251"},
+       {"&reg;", "\302\256"},
+       {"&iquest;", "\302\277"},
+       {"&iexcl;", "\302\241"}
+};
+
+static SC_HTMLSymbol ascii_symbol_list[] = {
+       {"&iexcl;" , "\302\241"},
+       {"&brvbar;", "\302\246"},
+       {"&copy;"  , "\302\251"},
+       {"&laquo;" , "\302\253"},
+       {"&reg;"   , "\302\256"},
+
+       {"&sup2;"  , "\302\262"},
+       {"&sup3;"  , "\302\263"},
+       {"&acute;" , "\302\264"},
+       {"&cedil;" , "\302\270"},
+       {"&sup1;"  , "\302\271"},
+       {"&raquo;" , "\302\273"},
+       {"&frac14;", "\302\274"},
+       {"&frac12;", "\302\275"},
+       {"&frac34;", "\302\276"},
+       {"&iquest;", "\302\277"},
+
+       {"&Agrave;", "\303\200"},
+       {"&Aacute;", "\303\201"},
+       {"&Acirc;" , "\303\202"},
+       {"&Atilde;", "\303\203"},
+       {"&AElig;" , "\303\206"},
+       {"&Egrave;", "\303\210"},
+       {"&Eacute;", "\303\211"},
+       {"&Ecirc;" , "\303\212"},
+       {"&Igrave;", "\303\214"},
+       {"&Iacute;", "\303\215"},
+       {"&Icirc;" , "\303\216"},
+
+       {"&Ntilde;", "\303\221"},
+       {"&Ograve;", "\303\222"},
+       {"&Oacute;", "\303\223"},
+       {"&Ocirc;" , "\303\224"},
+       {"&Otilde;", "\303\225"},
+       {"&Ugrave;", "\303\231"},
+       {"&Uacute;", "\303\232"},
+       {"&Ucirc;" , "\303\233"},
+       {"&Yacute;", "\303\235"},
+
+       {"&agrave;", "\303\240"},
+       {"&aacute;", "\303\241"},
+       {"&acirc;" , "\303\242"},
+       {"&atilde;", "\303\243"},
+       {"&aelig;" , "\303\246"},
+       {"&egrave;", "\303\250"},
+       {"&eacute;", "\303\251"},
+       {"&ecirc;" , "\303\252"},
+       {"&igrave;", "\303\254"},
+       {"&iacute;", "\303\255"},
+       {"&icirc;" , "\303\256"},
+
+       {"&ntilde;", "\303\261"},
+       {"&ograve;", "\303\262"},
+       {"&oacute;", "\303\263"},
+       {"&ocirc;" , "\303\264"},
+       {"&otilde;", "\303\265"},
+       {"&ugrave;", "\303\271"},
+       {"&uacute;", "\303\272"},
+       {"&ucirc;" , "\303\273"},
+       {"&yacute;", "\303\275"}
+};
 
-       {"&#153;", "(TM)"},
+typedef struct _SC_HTMLAltSymbol       SC_HTMLAltSymbol;
+
+struct _SC_HTMLAltSymbol
+{
+       gint key;
+       gchar *const val;
 };
 
-static HTMLSymbol ascii_symbol_list[] = {
-       {"&iexcl;" , "^!"},
-       {"&brvbar;", "|"},
-       {"&copy;"  , "(C)"},
-       {"&laquo;" , "<<"},
-       {"&reg;"   , "(R)"},
-
-       {"&sup2;"  , "^2"},
-       {"&sup3;"  , "^3"},
-       {"&acute;" , "'"},
-       {"&cedil;" , ","},
-       {"&sup1;"  , "^1"},
-       {"&raquo;" , ">>"},
-       {"&frac14;", "1/4"},
-       {"&frac12;", "1/2"},
-       {"&frac34;", "3/4"},
-       {"&iquest;", "^?"},
-
-       {"&Agrave;", "A`"},
-       {"&Aacute;", "A'"},
-       {"&Acirc;" , "A^"},
-       {"&Atilde;", "A~"},
-       {"&AElig;" , "AE"},
-       {"&Egrave;", "E`"},
-       {"&Eacute;", "E'"},
-       {"&Ecirc;" , "E^"},
-       {"&Igrave;", "I`"},
-       {"&Iacute;", "I'"},
-       {"&Icirc;" , "I^"},
-
-       {"&Ntilde;", "N~"},
-       {"&Ograve;", "O`"},
-       {"&Oacute;", "O'"},
-       {"&Ocirc;" , "O^"},
-       {"&Otilde;", "O~"},
-       {"&Ugrave;", "U`"},
-       {"&Uacute;", "U'"},
-       {"&Ucirc;" , "U^"},
-       {"&Yacute;", "Y'"},
-
-       {"&agrave;", "a`"},
-       {"&aacute;", "a'"},
-       {"&acirc;" , "a^"},
-       {"&atilde;", "a~"},
-       {"&aelig;" , "ae"},
-       {"&egrave;", "e`"},
-       {"&eacute;", "e'"},
-       {"&ecirc;" , "e^"},
-       {"&igrave;", "i`"},
-       {"&iacute;", "i'"},
-       {"&icirc;" , "i^"},
-
-       {"&ntilde;", "n~"},
-       {"&ograve;", "o`"},
-       {"&oacute;", "o'"},
-       {"&ocirc;" , "o^"},
-       {"&otilde;", "o~"},
-       {"&ugrave;", "u`"},
-       {"&uacute;", "u'"},
-       {"&ucirc;" , "u^"},
-       {"&yacute;", "y'"},
+/* http://www.w3schools.com/html/html_entitiesref.asp */
+static SC_HTMLAltSymbol alternate_symbol_list[] = {
+       {  96, "\140"},                    /* backtick */
+       { 153, "\50\124\115\51"},  /* trademark */
+       { 161, "\302\241"},        /* inverted exclamation mark &iexcl */
+       { 162, "\302\242"},        /* cent (currency) &cent */
+       { 163, "\302\243"},        /* pound (currency) &pound */
+       { 164, "\342\202\254"},    /* currency sign &curren */
+       { 165, "\302\245"},        /* yen (currency) &yen */
+       { 169, "\302\251"},        /* copyright sign &copy */
+       { 174, "\302\256"},        /* registered sign &reg */
+       { 191, "\302\277"},        /* inverted question mark &iquest */
+       { 338, "\117\105"},        /* capital ligature OE &OElig */
+       { 339, "\157\145"},        /* small ligature OE &oelig */
+       { 352, NULL},                      /* capital S w/caron &Scaron */
+       { 353, NULL},                      /* small S w/caron &scaron */
+       { 376, NULL},                      /* cap Y w/ diaeres &Yuml */
+       { 710, "\136"},                    /* circumflex accent &circ */
+       { 732, "\176"},                    /* small tilde &tilde */
+       {8194, "\40"},                     /* en space &ensp */
+       {8195, "\40"},                     /* em space &emsp */
+       {8201, "\40"},                     /* thin space &thinsp */
+       {8204, NULL},                      /* zero width non-joiner &zwnj */
+       {8205, NULL},                      /* zero width joiner &zwj */
+       {8206, NULL},                      /* l-t-r mark &lrm */
+       {8207, NULL},                      /* r-t-l mark &rlm */
+       {8211, "\55"},                     /* en dash &ndash */
+       {8212, "\55\55"},                  /* em dash &mdash */
+       {8216, "\47"},                     /* l single quot mark &lsquo */
+       {8217, "\47"},                     /* r single quot mark &rsquo */
+       {8218, "\54"},                     /* single low-9 quot &sbquo */
+       {8220, "\134"},                    /* l double quot mark &ldquo */
+       {8221, "\134"},                    /* r double quot mark &rdquo */
+       {8222, "\42"},                     /* double low-9 quot &bdquo */
+       {8224, NULL},                      /* dagger &dagger */
+       {8225, NULL},                      /* double dagger &Dagger */
+       {8226, "\52"},                     /* bullet &bull */
+       {8230, "\56\56\56"},       /* horizontal ellipsis &hellip */
+       {8240, "\45\157"},                 /* per mile &permil */
+       {8249, "\74"},                     /* l-pointing angle quot &lsaquo */
+       {8250, "\76"},                     /* r-pointing angle quot &rsaquo */
+       {8364, "\105\125\122"},    /* euro &euro */
+       {8482, "\50\124\115\51"}   /* trademark &trade */
 };
 
 static GHashTable *default_symbol_table;
+static GHashTable *alternate_symbol_table;
 
-static HTMLState html_read_line                (HTMLParser     *parser);
-static void html_append_char           (HTMLParser     *parser,
+static SC_HTMLState sc_html_read_line  (SC_HTMLParser  *parser);
+static void sc_html_append_char                        (SC_HTMLParser  *parser,
                                         gchar           ch);
-static void html_append_str            (HTMLParser     *parser,
+static void sc_html_append_str                 (SC_HTMLParser  *parser,
                                         const gchar    *str,
                                         gint            len);
-static HTMLState html_parse_tag                (HTMLParser     *parser);
-static void html_parse_special         (HTMLParser     *parser);
-static void html_get_parenthesis       (HTMLParser     *parser,
+static SC_HTMLState sc_html_parse_tag  (SC_HTMLParser  *parser);
+static void sc_html_parse_special              (SC_HTMLParser  *parser);
+static void sc_html_get_parenthesis            (SC_HTMLParser  *parser,
                                         gchar          *buf,
                                         gint            len);
 
 
-HTMLParser *html_parser_new(FILE *fp, CodeConverter *conv)
+SC_HTMLParser *sc_html_parser_new(FILE *fp, CodeConverter *conv)
 {
-       HTMLParser *parser;
+       SC_HTMLParser *parser;
 
        g_return_val_if_fail(fp != NULL, NULL);
        g_return_val_if_fail(conv != NULL, NULL);
 
-       parser = g_new0(HTMLParser, 1);
+       parser = g_new0(SC_HTMLParser, 1);
        parser->fp = fp;
        parser->conv = conv;
        parser->str = g_string_new(NULL);
        parser->buf = g_string_new(NULL);
        parser->bufp = parser->buf->str;
-       parser->state = HTML_NORMAL;
+       parser->state = SC_HTML_NORMAL;
        parser->href = NULL;
        parser->newline = TRUE;
        parser->empty_line = TRUE;
@@ -153,6 +224,13 @@ HTMLParser *html_parser_new(FILE *fp, CodeConverter *conv)
        for (i = 0; i < sizeof(list) / sizeof(list[0]); i++) \
                g_hash_table_insert(table, list[i].key, list[i].val); \
 }
+#define SYMBOL_TABLE_REF_ADD(table, list) \
+{ \
+       gint i; \
+ \
+       for (i = 0; i < sizeof(list) / sizeof(list[0]); i++) \
+               g_hash_table_insert(table, &list[i].key, list[i].val); \
+}
 
        if (!default_symbol_table) {
                default_symbol_table =
@@ -160,15 +238,22 @@ HTMLParser *html_parser_new(FILE *fp, CodeConverter *conv)
                SYMBOL_TABLE_ADD(default_symbol_table, symbol_list);
                SYMBOL_TABLE_ADD(default_symbol_table, ascii_symbol_list);
        }
+       if (!alternate_symbol_table) {
+               alternate_symbol_table =
+                       g_hash_table_new(g_int_hash, g_int_equal);
+               SYMBOL_TABLE_REF_ADD(alternate_symbol_table, alternate_symbol_list);
+       }
 
 #undef SYMBOL_TABLE_ADD
+#undef SYMBOL_TABLE_REF_ADD
 
        parser->symbol_table = default_symbol_table;
+       parser->alt_symbol_table = alternate_symbol_table;
 
        return parser;
 }
 
-void html_parser_destroy(HTMLParser *parser)
+void sc_html_parser_destroy(SC_HTMLParser *parser)
 {
        g_string_free(parser->str, TRUE);
        g_string_free(parser->buf, TRUE);
@@ -176,33 +261,33 @@ void html_parser_destroy(HTMLParser *parser)
        g_free(parser);
 }
 
-gchar *html_parse(HTMLParser *parser)
+gchar *sc_html_parse(SC_HTMLParser *parser)
 {
-       parser->state = HTML_NORMAL;
+       parser->state = SC_HTML_NORMAL;
        g_string_truncate(parser->str, 0);
 
        if (*parser->bufp == '\0') {
                g_string_truncate(parser->buf, 0);
                parser->bufp = parser->buf->str;
-               if (html_read_line(parser) == HTML_EOF)
+               if (sc_html_read_line(parser) == SC_HTML_EOF)
                        return NULL;
        }
 
        while (*parser->bufp != '\0') {
                switch (*parser->bufp) {
                case '<': {
-                       HTMLState st;
-                       st = html_parse_tag(parser);
+                       SC_HTMLState st;
+                       st = sc_html_parse_tag(parser);
                        /* when we see an href, we need to flush the str
                         * buffer.  Then collect all the chars until we
                         * see the end anchor tag
                         */
-                       if (HTML_HREF_BEG == st || HTML_HREF == st)
+                       if (SC_HTML_HREF_BEG == st || SC_HTML_HREF == st)
                                return parser->str->str;
                        } 
                        break;
                case '&':
-                       html_parse_special(parser);
+                       sc_html_parse_special(parser);
                        break;
                case ' ':
                case '\t':
@@ -220,22 +305,22 @@ gchar *html_parse(HTMLParser *parser)
                        }
                        /* fallthrough */
                default:
-                       html_append_char(parser, *parser->bufp++);
+                       sc_html_append_char(parser, *parser->bufp++);
                }
        }
 
        return parser->str->str;
 }
 
-static HTMLState html_read_line(HTMLParser *parser)
+static SC_HTMLState sc_html_read_line(SC_HTMLParser *parser)
 {
-       gchar buf[HTMLBUFSIZE];
-       gchar buf2[HTMLBUFSIZE];
+       gchar buf[SC_HTMLBUFSIZE];
+       gchar buf2[SC_HTMLBUFSIZE];
        gint index;
 
        if (fgets(buf, sizeof(buf), parser->fp) == NULL) {
-               parser->state = HTML_EOF;
-               return HTML_EOF;
+               parser->state = SC_HTML_EOF;
+               return SC_HTML_EOF;
        }
 
        if (conv_convert(parser->conv, buf2, sizeof(buf2), buf) < 0) {
@@ -246,7 +331,7 @@ static HTMLState html_read_line(HTMLParser *parser)
 
                parser->bufp = parser->buf->str + index;
 
-               return HTML_CONV_FAILED;
+               return SC_HTML_CONV_FAILED;
        }
 
        index = parser->bufp - parser->buf->str;
@@ -255,10 +340,10 @@ static HTMLState html_read_line(HTMLParser *parser)
 
        parser->bufp = parser->buf->str + index;
 
-       return HTML_NORMAL;
+       return SC_HTML_NORMAL;
 }
 
-static void html_append_char(HTMLParser *parser, gchar ch)
+static void sc_html_append_char(SC_HTMLParser *parser, gchar ch)
 {
        GString *str = parser->str;
 
@@ -278,7 +363,7 @@ static void html_append_char(HTMLParser *parser, gchar ch)
                parser->newline = FALSE;
 }
 
-static void html_append_str(HTMLParser *parser, const gchar *str, gint len)
+static void sc_html_append_str(SC_HTMLParser *parser, const gchar *str, gint len)
 {
        GString *string = parser->str;
 
@@ -305,9 +390,9 @@ static void html_append_str(HTMLParser *parser, const gchar *str, gint len)
                parser->newline = FALSE;
 }
 
-static HTMLTag *html_get_tag(const gchar *str)
+static SC_HTMLTag *sc_html_get_tag(const gchar *str)
 {
-       HTMLTag *tag;
+       SC_HTMLTag *tag;
        gchar *tmp;
        guchar *tmpp;
 
@@ -317,7 +402,7 @@ static HTMLTag *html_get_tag(const gchar *str)
 
        Xstrdup_a(tmp, str, return NULL);
 
-       tag = g_new0(HTMLTag, 1);
+       tag = g_new0(SC_HTMLTag, 1);
 
        for (tmpp = tmp; *tmpp != '\0' && !g_ascii_isspace(*tmpp); tmpp++)
                ;
@@ -333,7 +418,7 @@ static HTMLTag *html_get_tag(const gchar *str)
        }
 
        while (*tmpp != '\0') {
-               HTMLAttr *attr;
+               SC_HTMLAttr *attr;
                gchar *attr_name;
                gchar *attr_value;
                gchar *p;
@@ -360,7 +445,7 @@ static HTMLTag *html_get_tag(const gchar *str)
                                tmpp++;
                                attr_value = tmpp;
                                if ((p = strchr(attr_value, quote)) == NULL) {
-                                       g_warning("html_get_tag(): syntax error in tag: '%s'\n", str);
+                                       g_warning("sc_html_get_tag(): syntax error in tag: '%s'\n", str);
                                        return tag;
                                }
                                tmpp = p;
@@ -378,7 +463,7 @@ static HTMLTag *html_get_tag(const gchar *str)
 
                g_strchomp(attr_name);
                g_strdown(attr_name);
-               attr = g_new(HTMLAttr, 1);
+               attr = g_new(SC_HTMLAttr, 1);
                attr->name = g_strdup(attr_name);
                attr->value = g_strdup(attr_value);
                tag->attr = g_list_append(tag->attr, attr);
@@ -387,13 +472,13 @@ static HTMLTag *html_get_tag(const gchar *str)
        return tag;
 }
 
-static void html_free_tag(HTMLTag *tag)
+static void sc_html_free_tag(SC_HTMLTag *tag)
 {
        if (!tag) return;
 
        g_free(tag->name);
        while (tag->attr != NULL) {
-               HTMLAttr *attr = (HTMLAttr *)tag->attr->data;
+               SC_HTMLAttr *attr = (SC_HTMLAttr *)tag->attr->data;
                g_free(attr->name);
                g_free(attr->value);
                g_free(attr);
@@ -402,53 +487,55 @@ static void html_free_tag(HTMLTag *tag)
        g_free(tag);
 }
 
-static HTMLState html_parse_tag(HTMLParser *parser)
+static SC_HTMLState sc_html_parse_tag(SC_HTMLParser *parser)
 {
-       gchar buf[HTMLBUFSIZE];
-       HTMLTag *tag;
+       gchar buf[SC_HTMLBUFSIZE];
+       SC_HTMLTag *tag;
 
-       html_get_parenthesis(parser, buf, sizeof(buf));
+       sc_html_get_parenthesis(parser, buf, sizeof(buf));
 
-       tag = html_get_tag(buf);
+       tag = sc_html_get_tag(buf);
 
-       parser->state = HTML_UNKNOWN;
-       if (!tag) return HTML_UNKNOWN;
+       parser->state = SC_HTML_UNKNOWN;
+       if (!tag) return SC_HTML_UNKNOWN;
 
        if (!strcmp(tag->name, "br")) {
                parser->space = FALSE;
-               html_append_char(parser, '\n');
-               parser->state = HTML_BR;
+               sc_html_append_char(parser, '\n');
+               parser->state = SC_HTML_BR;
        } else if (!strcmp(tag->name, "a")) {
-               if (tag->attr && tag->attr->data &&
-                   !strcmp(((HTMLAttr *)tag->attr->data)->name, "href")) {
-                       g_free(parser->href);
-                       parser->href =
-                               g_strdup(((HTMLAttr *)tag->attr->data)->value);
-                       parser->state = HTML_HREF_BEG;
+               GList *cur;
+               for (cur = tag->attr; cur != NULL; cur = cur->next) {
+                       if (cur->data && !strcmp(((SC_HTMLAttr *)cur->data)->name, "href")) {
+                               g_free(parser->href);
+                               parser->href = g_strdup(((SC_HTMLAttr *)cur->data)->value);
+                               parser->state = SC_HTML_HREF_BEG;
+                               break;
+                       }
                }
        } else if (!strcmp(tag->name, "/a")) {
-               parser->state = HTML_HREF;
+               parser->state = SC_HTML_HREF;
        } else if (!strcmp(tag->name, "p")) {
                parser->space = FALSE;
                if (!parser->empty_line) {
                        parser->space = FALSE;
-                       if (!parser->newline) html_append_char(parser, '\n');
-                       html_append_char(parser, '\n');
+                       if (!parser->newline) sc_html_append_char(parser, '\n');
+                       sc_html_append_char(parser, '\n');
                }
-               parser->state = HTML_PAR;
+               parser->state = SC_HTML_PAR;
        } else if (!strcmp(tag->name, "pre")) {
                parser->pre = TRUE;
-               parser->state = HTML_PRE;
+               parser->state = SC_HTML_PRE;
        } else if (!strcmp(tag->name, "/pre")) {
                parser->pre = FALSE;
-               parser->state = HTML_NORMAL;
+               parser->state = SC_HTML_NORMAL;
        } else if (!strcmp(tag->name, "hr")) {
                if (!parser->newline) {
                        parser->space = FALSE;
-                       html_append_char(parser, '\n');
+                       sc_html_append_char(parser, '\n');
                }
-               html_append_str(parser, HR_STR "\n", -1);
-               parser->state = HTML_HR;
+               sc_html_append_str(parser, HR_STR "\n", -1);
+               parser->state = SC_HTML_HR;
        } else if (!strcmp(tag->name, "div")    ||
                   !strcmp(tag->name, "ul")     ||
                   !strcmp(tag->name, "li")     ||
@@ -457,41 +544,41 @@ static HTMLState html_parse_tag(HTMLParser *parser)
                   (tag->name[0] == 'h' && g_ascii_isdigit(tag->name[1]))) {
                if (!parser->newline) {
                        parser->space = FALSE;
-                       html_append_char(parser, '\n');
+                       sc_html_append_char(parser, '\n');
                }
-               parser->state = HTML_NORMAL;
+               parser->state = SC_HTML_NORMAL;
        } else if (!strcmp(tag->name, "/table") ||
                   (tag->name[0] == '/' &&
                    tag->name[1] == 'h' &&
                    g_ascii_isdigit(tag->name[1]))) {
                if (!parser->empty_line) {
                        parser->space = FALSE;
-                       if (!parser->newline) html_append_char(parser, '\n');
-                       html_append_char(parser, '\n');
+                       if (!parser->newline) sc_html_append_char(parser, '\n');
+                       sc_html_append_char(parser, '\n');
                }
-               parser->state = HTML_NORMAL;
+               parser->state = SC_HTML_NORMAL;
        } else if (!strcmp(tag->name, "/div")   ||
                   !strcmp(tag->name, "/ul")    ||
                   !strcmp(tag->name, "/li")) {
                if (!parser->newline) {
                        parser->space = FALSE;
-                       html_append_char(parser, '\n');
+                       sc_html_append_char(parser, '\n');
                }
-               parser->state = HTML_NORMAL;
+               parser->state = SC_HTML_NORMAL;
                        }
 
-       html_free_tag(tag);
+       sc_html_free_tag(tag);
 
        return parser->state;
 }
 
-static void html_parse_special(HTMLParser *parser)
+static void sc_html_parse_special(SC_HTMLParser *parser)
 {
        gchar symbol_name[9];
        gint n;
        const gchar *val;
 
-       parser->state = HTML_UNKNOWN;
+       parser->state = SC_HTML_UNKNOWN;
        g_return_if_fail(*parser->bufp == '&');
 
        /* &foo; */
@@ -499,8 +586,8 @@ static void html_parse_special(HTMLParser *parser)
                ;
        if (n > 7 || parser->bufp[n] != ';') {
                /* output literal `&' */
-               html_append_char(parser, *parser->bufp++);
-               parser->state = HTML_NORMAL;
+               sc_html_append_char(parser, *parser->bufp++);
+               parser->state = SC_HTML_NORMAL;
                return;
        }
        strncpy2(symbol_name, parser->bufp, n + 2);
@@ -508,8 +595,8 @@ static void html_parse_special(HTMLParser *parser)
 
        if ((val = g_hash_table_lookup(parser->symbol_table, symbol_name))
            != NULL) {
-               html_append_str(parser, val, -1);
-               parser->state = HTML_NORMAL;
+               sc_html_append_str(parser, val, -1);
+               parser->state = SC_HTML_NORMAL;
                return;
        } else if (symbol_name[1] == '#' && g_ascii_isdigit(symbol_name[2])) {
                gint ch;
@@ -518,99 +605,23 @@ static void html_parse_special(HTMLParser *parser)
                if ((ch > 0 && ch <= 127) ||
                    (ch >= 128 && ch <= 255 &&
                     parser->conv->charset == C_ISO_8859_1)) {
-                       html_append_char(parser, ch);
-                       parser->state = HTML_NORMAL;
+                       sc_html_append_char(parser, ch);
+                       parser->state = SC_HTML_NORMAL;
                        return;
                } else {
-                       char *symb = NULL;
-                       switch (ch) {
-                       /* http://www.w3schools.com/html/html_entitiesref.asp */
-                       case 338:       /* capital ligature OE  &OElig;  */
-                               symb = "OE";  
-                               break;
-                       case 339:       /* small ligature OE    &oelig;  */
-                               symb = "oe";  
-                               break;
-                       case 352:       /* capital S w/caron    &Scaron; */
-                       case 353:       /* small S w/caron      &scaron; */
-                       case 376:       /* cap Y w/ diaeres     &Yuml;   */
-                               break;
-                       case 710:       /* circumflex accent    &circ;   */
-                               symb = "^";  
-                               break;
-                       case 732:       /* small tilde          &tilde;  */
-                               symb = "~";  
-                               break;
-                       case 8194:      /* en space             &ensp;   */
-                       case 8195:      /* em space             &emsp;   */
-                       case 8201:      /* thin space           &thinsp; */
-                               symb = " ";  
-                               break;
-                       case 8204:      /* zero width non-joiner &zwnj;  */
-                       case 8205:      /* zero width joiner    &zwj;   */
-                       case 8206:      /* l-t-r mark           &lrm;   */
-                       case 8207:      /* r-t-l mark           &rlm     */
-                               break;
-                       case 8211:      /* en dash              &ndash;  */
-                               symb = "-";  
-                               break;
-                       case 8212:      /* em dash              &mdash;  */
-                               symb = "--";  
-                               break;
-                       case 8216:      /* l single quot mark   &lsquo;  */
-                               symb = "`";  
-                               break;
-                       case 8217:      /* r single quot mark   &rsquo;  */
-                               symb = "'";  
-                               break;
-                       case 8218:      /* single low-9 quot    &sbquo;  */
-                               symb = ",";  
-                               break;
-                       case 8220:      /* l double quot mark   &ldquo;  */
-                               symb = "``";  
-                               break;
-                       case 8221:      /* r double quot mark   &rdquo;  */
-                               symb = "''";  
-                               break;
-                       case 8222:      /* double low-9 quot    &bdquo;  */
-                               symb = ",,";  
-                               break;
-                       case 8224:      /* dagger               &dagger; */
-                       case 8225:      /* double dagger        &Dagger; */
-                               break;
-                       case 8230:      /* horizontal ellipsis  &hellip; */
-                               symb = "...";  
-                               break;
-                       case 8240:      /* per mile             &permil; */
-                               symb = "\%o";  
-                               break;
-                       case 8249:      /* l-pointing angle quot &lsaquo; */
-                               symb = "<";  
-                               break;
-                       case 8250:      /* r-pointing angle quot &rsaquo; */
-                               symb = ">";  
-                               break;
-                       case 8364:      /* euro                 &euro;   */
-                               symb = "EUR";  
-                               break;
-                       case 8482:      /* trademark            &trade;  */
-                               symb  = "(TM)";  
-                               break;
-                       default: 
-                               break;
-                       }
+                       const gchar *symb = g_hash_table_lookup(parser->alt_symbol_table, &ch);
                        if (symb) {
-                               html_append_str(parser, symb, -1);
-                               parser->state = HTML_NORMAL;
+                               sc_html_append_str(parser, symb, -1);
+                               parser->state = SC_HTML_NORMAL;
                                return;
                        }
                }
        }
 
-       html_append_str(parser, symbol_name, -1);
+       sc_html_append_str(parser, symbol_name, -1);
 }
 
-static void html_get_parenthesis(HTMLParser *parser, gchar *buf, gint len)
+static void sc_html_get_parenthesis(SC_HTMLParser *parser, gchar *buf, gint len)
 {
        gchar *p;
 
@@ -621,28 +632,28 @@ static void html_get_parenthesis(HTMLParser *parser, gchar *buf, gint len)
        if (!strncmp(parser->bufp, "<!--", 4)) {
                parser->bufp += 4;
                while ((p = strstr(parser->bufp, "-->")) == NULL)
-                       if (html_read_line(parser) == HTML_EOF) return;
+                       if (sc_html_read_line(parser) == SC_HTML_EOF) return;
                parser->bufp = p + 3;
                return;
        }
        if (!g_ascii_strncasecmp(parser->bufp, "<style", 6)) {
                parser->bufp += 6;
                while ((p = strcasestr(parser->bufp, "</style>")) == NULL)
-                       if (html_read_line(parser) == HTML_EOF) return;
+                       if (sc_html_read_line(parser) == SC_HTML_EOF) return;
                parser->bufp = p + 8;
                return;
        }
        if (!g_ascii_strncasecmp(parser->bufp, "<script", 7)) {
                parser->bufp += 7;
                while ((p = strcasestr(parser->bufp, "</script>")) == NULL)
-                       if (html_read_line(parser) == HTML_EOF) return;
+                       if (sc_html_read_line(parser) == SC_HTML_EOF) return;
                parser->bufp = p + 9;
                return;
        }
 
        parser->bufp++;
        while ((p = strchr(parser->bufp, '>')) == NULL)
-               if (html_read_line(parser) == HTML_EOF) return;
+               if (sc_html_read_line(parser) == SC_HTML_EOF) return;
 
        strncpy2(buf, parser->bufp, MIN(p - parser->bufp + 1, len));
        g_strstrip(buf);