/*
* Copyright (C) 2001 Ximian Inc.
*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** WARNING
**
** DO NOT USE THIS CODE OUTSIDE OF CAMEL
**
** IT IS SUBJECT TO CHANGE OR MAY VANISH AT ANY TIME
**/
#include "camel-html-parser.h"
#include <stdio.h>
#include <string.h>
#include <gal/unicode/gunicode.h>
#include <ctype.h>
/* if defined, must also compile in dump_tag() below somewhere */
#define d(x)
static void camel_html_parser_class_init (CamelHTMLParserClass *klass);
static void camel_html_parser_init (CamelObject *o);
static void camel_html_parser_finalize (CamelObject *o);
static CamelObjectClass *camel_html_parser_parent;
/* Parser definitions, see below object code for details */
typedef struct _CamelHTMLParserPrivate CamelHTMLParserPrivate;
struct _CamelHTMLParserPrivate {
char *inbuf,
*inptr,
*inend,
*start;
enum _camel_html_parser_t state;
char *charset;
int eof;
GString *tag;
GString *ent;
char ent_utf8[8];
int attr;
GPtrArray *attrs;
GPtrArray *values;
int quote;
};
static void tokenise_setup(void);
static CamelHTMLParserPrivate *tokenise_init(void);
static void tokenise_free(CamelHTMLParserPrivate *p);
static int tokenise_step(CamelHTMLParserPrivate *p, char **datap, int *lenp);
/* ********************************************************************** */
CamelType
camel_html_parser_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register (camel_object_get_type (), "CamelHTMLParser",
sizeof (CamelHTMLParser),
sizeof (CamelHTMLParserClass),
(CamelObjectClassInitFunc) camel_html_parser_class_init,
NULL,
(CamelObjectInitFunc) camel_html_parser_init,
(CamelObjectFinalizeFunc) camel_html_parser_finalize);
}
return type;
}
static void
camel_html_parser_finalize(CamelObject *o)
{
CamelHTMLParser *f = (CamelHTMLParser *)o;
tokenise_free(f->priv);
}
static void
camel_html_parser_init (CamelObject *o)
{
CamelHTMLParser *f = (CamelHTMLParser *)o;
f->priv = tokenise_init();
}
static void
camel_html_parser_class_init (CamelHTMLParserClass *klass)
{
camel_html_parser_parent = CAMEL_OBJECT_CLASS (camel_type_get_global_classfuncs (camel_object_get_type ()));
tokenise_setup();
}
/**
* camel_html_parser_new:
*
* Create a new CamelHTMLParser object.
*
* Return value: A new CamelHTMLParser widget.
**/
CamelHTMLParser *
camel_html_parser_new (void)
{
CamelHTMLParser *new = CAMEL_HTML_PARSER ( camel_object_new (camel_html_parser_get_type ()));
return new;
}
void camel_html_parser_set_data(CamelHTMLParser *hp, const char *start, int len, int last)
{
CamelHTMLParserPrivate *p = hp->priv;
p->inptr = p->inbuf = (char *)start;
p->inend = (char *)start+len;
p->eof = last;
}
camel_html_parser_t camel_html_parser_step(CamelHTMLParser *hp, const char **datap, int *lenp)
{
return tokenise_step(hp->priv, (char **)datap, lenp);
}
const char *camel_html_parser_left(CamelHTMLParser *hp, int *lenp)
{
CamelHTMLParserPrivate *p = hp->priv;
if (lenp)
*lenp = p->inend - p->inptr;
return p->inptr;
}
const char *camel_html_parser_tag(CamelHTMLParser *hp)
{
return hp->priv->tag->str;
}
const char *camel_html_parser_attr(CamelHTMLParser *hp, const char *name)
{
int i;
CamelHTMLParserPrivate *p = hp->priv;
for (i=0;i<p->attrs->len;i++) {
if (!strcasecmp(((GString *)p->attrs->pdata[i])->str, name)) {
return ((GString *)p->values->pdata[i])->str;
}
}
return NULL;
}
const GPtrArray *camel_html_parser_attr_list(CamelHTMLParser *hp, const GPtrArray **values)
{
if (values)
*values = hp->priv->values;
return hp->priv->attrs;
}
/* this map taken out of libxml */
static struct {
unsigned int val;
const char *name;
} entity_map[] = {
/*
* the 4 absolute ones,
*/
{ 34, "quot", /* quotation mark = APL quote, U+0022 ISOnum */ },
{ 38, "amp", /* ampersand, U+0026 ISOnum */ },
{ 60, "lt", /* less-than sign, U+003C ISOnum */ },
{ 62, "gt", /* greater-than sign, U+003E ISOnum */ },
/*
* A bunch still in the 128-255 range
* Replacing them depend really on the charset used.
*/
{ 39, "apos", /* single quote */ },
{ 160, "nbsp", /* no-break space = non-breaking space, U+00A0 ISOnum */ },
{ 161, "iexcl",/* inverted exclamation mark, U+00A1 ISOnum */ },
{ 162, "cent", /* cent sign, U+00A2 ISOnum */ },
{ 163, "pound",/* pound sign, U+00A3 ISOnum */ },
{ 164, "curren",/* currency sign, U+00A4 ISOnum */ },
{ 165, "yen", /* yen sign = yuan sign, U+00A5 ISOnum */ },
{ 166, "brvbar",/* broken bar = broken vertical bar, U+00A6 ISOnum */ },
{ 167, "sect", /* section sign, U+00A7 ISOnum */ },
{ 168, "uml", /* diaeresis = spacing diaeresis, U+00A8 ISOdia */ },
{ 169, "copy", /* copyright sign, U+00A9 ISOnum */ },
{ 170, "ordf", /* feminine ordinal indicator, U+00AA ISOnum */ },
{ 171, "laquo",/* left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum */ },
{ 172, "not", /* not sign, U+00AC ISOnum */ },
{ 173, "shy", /* soft hyphen = discretionary hyphen, U+00AD ISOnum */ },
{ 174, "reg", /* registered sign = registered trade mark sign, U+00AE ISOnum */ },
{ 175, "macr", /* macron = spacing macron = overline = APL overbar, U+00AF ISOdia */ },
{ 176, "deg", /* degree sign, U+00B0 ISOnum */ },
{ 177, "plusmn",/* plus-minus sign = plus-or-minus sign, U+00B1 ISOnum */ },
{ 178, "sup2", /* superscript two = superscript digit two = squared, U+00B2 ISOnum */ },
{ 179, "sup3", /* superscript three = superscript digit three = cubed, U+00B3 ISOnum */ },
{ 180, "acute",/* acute accent = spacing acute, U+00B4 ISOdia */ },
{ 181, "micro",/* micro sign, U+00B5 ISOnum */ },
{ 182, "para", /* pilcrow sign = paragraph sign, U+00B6 ISOnum */ },
{ 183, "middot",/* middle dot = Georgian comma Greek middle dot, U+00B7 ISOnum */ },
{ 184, "cedil",/* cedilla = spacing cedilla, U+00B8 ISOdia */ },
{ 185, "sup1", /* superscript one = superscript digit one, U+00B9 ISOnum */ },
{ 186, "ordm", /* masculine ordinal indicator, U+00BA ISOnum */ },
{ 187, "raquo",/* right-pointing double angle quotation mark right pointing guillemet, U+00BB ISOnum */ },
{ 188, "frac14",/* vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum */ },
{ 189, "frac12",/* vulgar fraction one half = fraction one half, U+00BD ISOnum */ },
{ 190, "frac34",/* vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum */ },
{ 191, "iquest",/* inverted question mark = turned question mark, U+00BF ISOnum */ },
{ 192, "Agrave",/* latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1 */ },
{ 193, "Aacute",/* latin capital letter A with acute, U+00C1 ISOlat1 */ },
{ 194, "Acirc",/* latin capital letter A with circumflex, U+00C2 ISOlat1 */ },
{ 195, "Atilde",/* latin capital letter A with tilde, U+00C3 ISOlat1 */ },
{ 196, "Auml", /* latin capital letter A with diaeresis, U+00C4 ISOlat1 */ },
{ 197, "Aring",/* latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1 */ },
{ 198, "AElig",/* latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1 */ },
{ 199, "Ccedil",/* latin capital letter C with cedilla, U+00C7 ISOlat1 */ },
{ 200, "Egrave",/* latin capital letter E with grave, U+00C8 ISOlat1 */ },
{ 201, "Eacute",/* latin capital letter E with acute, U+00C9 ISOlat1 */ },
{ 202, "Ecirc",/* latin capital letter E with circumflex, U+00CA ISOlat1 */ },
{ 203, "Euml", /* latin capital letter E with diaeresis, U+00CB ISOlat1 */ },
{ 204, "Igrave",/* latin capital letter I with grave, U+00CC ISOlat1 */ },
{ 205, "Iacute",/* latin capital letter I with acute, U+00CD ISOlat1 */ },
{ 206, "Icirc",/* latin capital letter I with circumflex, U+00CE ISOlat1 */ },
{ 207, "Iuml", /* latin capital letter I with diaeresis, U+00CF ISOlat1 */ },
{ 208, "ETH", /* latin capital letter ETH, U+00D0 ISOlat1 */ },
{ 209, "Ntilde",/* latin capital letter N with tilde, U+00D1 ISOlat1 */ },
{ 210, "Ograve",/* latin capital letter O with grave, U+00D2 ISOlat1 */ },
{ 211, "Oacute",/* latin capital letter O with acute, U+00D3 ISOlat1 */ },
{ 212, "Ocirc",/* latin capital letter O with circumflex, U+00D4 ISOlat1 */ },
{ 213, "Otilde",/* latin capital letter O with tilde, U+00D5 ISOlat1 */ },
{ 214, "Ouml", /* latin capital letter O with diaeresis, U+00D6 ISOlat1 */ },
{ 215, "times",/* multiplication sign, U+00D7 ISOnum */ },
{ 216, "Oslash",/* latin capital letter O with stroke latin capital letter O slash, U+00D8 ISOlat1 */ },
{ 217, "Ugrave",/* latin capital letter U with grave, U+00D9 ISOlat1 */ },
{ 218, "Uacute",/* latin capital letter U with acute, U+00DA ISOlat1 */ },
{ 219, "Ucirc",/* latin capital letter U with circumflex, U+00DB ISOlat1 */ },
{ 220, "Uuml", /* latin capital letter U with diaeresis, U+00DC ISOlat1 */ },
{ 221, "Yacute",/* latin capital letter Y with acute, U+00DD ISOlat1 */ },
{ 222, "THORN",/* latin capital letter THORN, U+00DE ISOlat1 */ },
{ 223, "szlig",/* latin small letter sharp s = ess-zed, U+00DF ISOlat1 */ },
{ 224, "agrave",/* latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1 */ },
{ 225, "aacute",/* latin small letter a with acute, U+00E1 ISOlat1 */ },
{ 226, "acirc",/* latin small letter a with circumflex, U+00E2 ISOlat1 */ },
{ 227, "atilde",/* latin small letter a with tilde, U+00E3 ISOlat1 */ },
{ 228, "auml", /* latin small letter a with diaeresis, U+00E4 ISOlat1 */ },
{ 229, "aring",/* latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1 */ },
{ 230, "aelig",/* latin small letter ae = latin small ligature ae, U+00E6 ISOlat1 */ },
{ 231, "ccedil",/* latin small letter c with cedilla, U+00E7 ISOlat1 */ },
{ 232, "egrave",/* latin small letter e with grave, U+00E8 ISOlat1 */ },
{ 233, "eacute",/* latin small letter e with acute, U+00E9 ISOlat1 */ },
{ 234, "ecirc",/* latin small letter e with circumflex, U+00EA ISOlat1 */ },
{ 235, "euml", /* latin small letter e with diaeresis, U+00EB ISOlat1 */ },
{ 236, "igrave",/* latin small letter i with grave, U+00EC ISOlat1 */ },
{ 237, "iacute",/* latin small letter i with acute, U+00ED ISOlat1 */ },
{ 238, "icirc",/* latin small letter i with circumflex, U+00EE ISOlat1 */ },
{ 239, "iuml", /* latin small letter i with diaeresis, U+00EF ISOlat1 */ },
{ 240, "eth", /* latin small letter eth, U+00F0 ISOlat1 */ },
{ 241, "ntilde",/* latin small letter n with tilde, U+00F1 ISOlat1 */ },
{ 242, "ograve",/* latin small letter o with grave, U+00F2 ISOlat1 */ },
{ 243, "oacute",/* latin small letter o with acute, U+00F3 ISOlat1 */ },
{ 244, "ocirc",/* latin small letter o with circumflex, U+00F4 ISOlat1 */ },
{ 245, "otilde",/* latin small letter o with tilde, U+00F5 ISOlat1 */ },
{ 246, "ouml", /* latin small letter o with diaeresis, U+00F6 ISOlat1 */ },
{ 247, "divide",/* division sign, U+00F7 ISOnum */ },
{ 248, "oslash",/* latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1 */ },
{ 249, "ugrave",/* latin small letter u with grave, U+00F9 ISOlat1 */ },
{ 250, "uacute",/* latin small letter u with acute, U+00FA ISOlat1 */ },
{ 251, "ucirc",/* latin small letter u with circumflex, U+00FB ISOlat1 */ },
{ 252, "uuml", /* latin small letter u with diaeresis, U+00FC ISOlat1 */ },
{ 253, "yacute",/* latin small letter y with acute, U+00FD ISOlat1 */ },
{ 254, "thorn",/* latin small letter thorn with, U+00FE ISOlat1 */ },
{ 255, "yuml", /* latin small letter y with diaeresis, U+00FF ISOlat1 */ },
/*
* Anything below should really be kept as entities references
*/
{ 402, "fnof", /* latin small f with hook = function = florin, U+0192 ISOtech */ },
{ 913, "Alpha",/* greek capital letter alpha, U+0391 */ },
{ 914, "Beta", /* greek capital letter beta, U+0392 */ },
{ 915, "Gamma",/* greek capital letter gamma, U+0393 ISOgrk3 */ },
{ 916, "Delta",/* greek capital letter delta, U+0394 ISOgrk3 */ },
{ 917, "Epsilon",/* greek capital letter epsilon, U+0395 */ },
{ 918, "Zeta", /* greek capital letter zeta, U+0396 */ },
{ 919, "Eta", /* greek capital letter eta, U+0397 */ },
{ 920, "Theta",/* greek capital letter theta, U+0398 ISOgrk3 */ },
{ 921, "Iota", /* greek capital letter iota, U+0399 */ },
{ 922, "Kappa",/* greek capital letter kappa, U+039A */ },
{ 923, "Lambda"/* greek capital letter lambda, U+039B ISOgrk3 */ },
{ 924, "Mu", /* greek capital letter mu, U+039C */ },
{ 925, "Nu", /* greek capital letter nu, U+039D */ },
{ 926, "Xi", /* greek capital letter xi, U+039E ISOgrk3 */ },
{ 927, "Omicron",/* greek capital letter omicron, U+039F */ },
{ 928, "Pi", /* greek capital letter pi, U+03A0 ISOgrk3 */ },
{ 929, "Rho", /* greek capital letter rho, U+03A1 */ },
{ 931, "Sigma",/* greek capital letter sigma, U+03A3 ISOgrk3 */ },
{ 932, "Tau", /* greek capital letter tau, U+03A4 */ },
{ 933, "Upsilon",/* greek capital letter upsilon, U+03A5 ISOgrk3 */ },
{ 934, "Phi", /* greek capital letter phi, U+03A6 ISOgrk3 */ },
{ 935, "Chi", /* greek capital letter chi, U+03A7 */ },
{ 936, "Psi", /* greek capital letter psi, U+03A8 ISOgrk3 */ },
{ 937, "Omega",/* greek capital letter omega, U+03A9 ISOgrk3 */ },
{ 945, "alpha",/* greek small letter alpha, U+03B1 ISOgrk3 */ },
{ 946, "beta", /* greek small letter beta, U+03B2 ISOgrk3 */ },
{ 947, "gamma",/* greek small letter gamma, U+03B3 ISOgrk3 */ },
{ 948, "delta",/* greek small letter delta, U+03B4 ISOgrk3 */ },
{ 949, "epsilon",/* greek small letter epsilon, U+03B5 ISOgrk3 */ },
{ 950, "zeta", /* greek small letter zeta, U+03B6 ISOgrk3 */ },
{ 951, "eta", /* greek small letter eta, U+03B7 ISOgrk3 */ },
{ 952, "theta",/* greek small letter theta, U+03B8 ISOgrk3 */ },
{ 953, "iota", /* greek small letter iota, U+03B9 ISOgrk3 */ },
{ 954, "kappa",/* greek small letter kappa, U+03BA ISOgrk3 */ },
{ 955, "lambda",/* greek small letter lambda, U+03BB ISOgrk3 */ },
{ 956, "mu", /* greek small letter mu, U+03BC ISOgrk3 */ },
{ 957, "nu", /* greek small letter nu, U+03BD ISOgrk3 */ },
{ 958, "xi", /* greek small letter xi, U+03BE ISOgrk3 */ },
{ 959, "omicron",/* greek small letter omicron, U+03BF NEW */ },
{ 960, "pi", /* greek small letter pi, U+03C0 ISOgrk3 */ },
{ 961, "rho", /* greek small letter rho, U+03C1 ISOgrk3 */ },
{ 962, "sigmaf",/* greek small letter final sigma, U+03C2 ISOgrk3 */ },
{ 963, "sigma",/* greek small letter sigma, U+03C3 ISOgrk3 */ },
{ 964, "tau", /* greek small letter tau, U+03C4 ISOgrk3 */ },
{ 965, "upsilon",/* greek small letter upsilon, U+03C5 ISOgrk3 */ },
{ 966, "phi", /* greek small letter phi, U+03C6 ISOgrk3 */ },
{ 967, "chi", /* greek small letter chi, U+03C7 ISOgrk3 */ },
{ 968, "psi", /* greek small letter psi, U+03C8 ISOgrk3 */ },
{ 969, "omega",/* greek small letter omega, U+03C9 ISOgrk3 */ },
{ 977, "thetasym",/* greek small letter theta symbol, U+03D1 NEW */ },
{ 978, "upsih",/* greek upsilon with hook symbol, U+03D2 NEW */ },
{ 982, "piv", /* greek pi symbol, U+03D6 ISOgrk3 */ },
{ 8226, "bull", /* bullet = black small circle, U+2022 ISOpub */ },
{ 8230, "hellip",/* horizontal ellipsis = three dot leader, U+2026 ISOpub */ },
{ 8242, "prime",/* prime = minutes = feet, U+2032 ISOtech */ },
{ 8243, "Prime",/* double prime = seconds = inches, U+2033 ISOtech */ },
{ 8254, "oline",/* overline = spacing overscore, U+203E NEW */ },
{ 8260, "frasl",/* fraction slash, U+2044 NEW */ },
{ 8472, "weierp",/* script capital P = power set = Weierstrass p, U+2118 ISOamso */ },
{ 8465, "image",/* blackletter capital I = imaginary part, U+2111 ISOamso */ },
{ 8476, "real", /* blackletter capital R = real part symbol, U+211C ISOamso */ },
{ 8482, "trade",/* trade mark sign, U+2122 ISOnum */ },
{ 8501, "alefsym",/* alef symbol = first transfinite cardinal, U+2135 NEW */ },
{ 8592, "larr", /* leftwards arrow, U+2190 ISOnum */ },
{ 8593, "uarr", /* upwards arrow, U+2191 ISOnum */ },
{ 8594, "rarr", /* rightwards arrow, U+2192 ISOnum */ },
{ 8595, "darr", /* downwards arrow, U+2193 ISOnum */ },
{ 8596, "harr", /* left right arrow, U+2194 ISOamsa */ },
{ 8629, "crarr",/* downwards arrow with corner leftwards = carriage return, U+21B5 NEW */ },
{ 8656, "lArr", /* leftwards double arrow, U+21D0 ISOtech */ },
{ 8657, "uArr", /* upwards double arrow, U+21D1 ISOamsa */ },
{ 8658, "rArr", /* rightwards double arrow, U+21D2 ISOtech */ },
{ 8659, "dArr", /* downwards double arrow, U+21D3 ISOamsa */ },
{ 8660, "hArr", /* left right double arrow, U+21D4 ISOamsa */ },
{ 8704, "forall",/* for all, U+2200 ISOtech */ },
{ 8706, "part", /* partial differential, U+2202 ISOtech */ },
{ 8707, "exist",/* there exists, U+2203 ISOtech */ },
{ 8709, "empty",/* empty set = null set = diameter, U+2205 ISOamso */ },
{ 8711, "nabla",/* nabla = backward difference, U+2207 ISOtech */ },
{ 8712, "isin", /* element of, U+2208 ISOtech */ },
{ 8713, "notin",/* not an element of, U+2209 ISOtech */ },
{ 8715, "ni", /* contains as member, U+220B ISOtech */ },
{ 8719, "prod", /* n-ary product = product sign, U+220F ISOamsb */ },
{ 8721, "sum", /* n-ary sumation, U+2211 ISOamsb */ },
{ 8722, "minus",/* minus sign, U+2212 ISOtech */ },
{ 8727, "lowast",/* asterisk operator, U+2217 ISOtech */ },
{ 8730, "radic",/* square root = radical sign, U+221A ISOtech */ },
{ 8733, "prop", /* proportional to, U+221D ISOtech */ },
{ 8734, "infin",/* infinity, U+221E ISOtech */ },
{ 8736, "ang", /* angle, U+2220 ISOamso */ },
{ 8743, "and", /* logical and = wedge, U+2227 ISOtech */ },
{ 8744, "or", /* logical or = vee, U+2228 ISOtech */ },
{ 8745, "cap", /* intersection = cap, U+2229 ISOtech */ },
{ 8746, "cup", /* union = cup, U+222A ISOtech */ },
{ 8747, "int", /* integral, U+222B ISOtech */ },
{ 8756, "there4",/* therefore, U+2234 ISOtech */ },
{ 8764, "sim", /* tilde operator = varies with = similar to, U+223C ISOtech */ },
{ 8773, "cong", /* approximately equal to, U+2245 ISOtech */ },
{ 8776, "asymp",/* almost equal to = asymptotic to, U+2248 ISOamsr */ },
{ 8800, "ne", /* not equal to, U+2260 ISOtech */ },
{ 8801, "equiv",/* identical to, U+2261 ISOtech */ },
{ 8804, "le", /* less-than or equal to, U+2264 ISOtech */ },
{ 8805, "ge", /* greater-than or equal to, U+2265 ISOtech */ },
{ 8834, "sub", /* subset of, U+2282 ISOtech */ },
{ 8835, "sup", /* superset of, U+2283 ISOtech */ },
{ 8836, "nsub", /* not a subset of, U+2284 ISOamsn */ },
{ 8838, "sube", /* subset of or equal to, U+2286 ISOtech */ },
{ 8839, "supe", /* superset of or equal to, U+2287 ISOtech */ },
{ 8853, "oplus",/* circled plus = direct sum, U+2295 ISOamsb */ },
{ 8855, "otimes",/* circled times = vector product, U+2297 ISOamsb */ },
{ 8869, "perp", /* up tack = orthogonal to = perpendicular, U+22A5 ISOtech */ },
{ 8901, "sdot", /* dot operator, U+22C5 ISOamsb */ },
{ 8968, "lceil",/* left ceiling = apl upstile, U+2308 ISOamsc */ },
{ 8969, "rceil",/* right ceiling, U+2309 ISOamsc */ },
{ 8970, "lfloor",/* left floor = apl downstile, U+230A ISOamsc */ },
{ 8971, "rfloor",/* right floor, U+230B ISOamsc */ },
{ 9001, "lang", /* left-pointing angle bracket = bra, U+2329 ISOtech */ },
{ 9002, "rang", /* right-pointing angle bracket = ket, U+232A ISOtech */ },
{ 9674, "loz", /* lozenge, U+25CA ISOpub */ },
{ 9824, "spades",/* black spade suit, U+2660 ISOpub */ },
{ 9827, "clubs",/* black club suit = shamrock, U+2663 ISOpub */ },
{ 9829, "hearts",/* black heart suit = valentine, U+2665 ISOpub */ },
{ 9830, "diams",/* black diamond suit, U+2666 ISOpub */ },
{ 338, "OElig",/* latin capital ligature OE, U+0152 ISOlat2 */ },
{ 339, "oelig",/* latin small ligature oe, U+0153 ISOlat2 */ },
{ 352, "Scaron",/* latin capital letter S with caron, U+0160 ISOlat2 */ },
{ 353, "scaron",/* latin small letter s with caron, U+0161 ISOlat2 */ },
{ 376, "Yuml", /* latin capital letter Y with diaeresis, U+0178 ISOlat2 */ },
{ 710, "circ", /* modifier letter circumflex accent, U+02C6 ISOpub */ },
{ 732, "tilde",/* small tilde, U+02DC ISOdia */ },
{ 8194, "ensp", /* en space, U+2002 ISOpub */ },
{ 8195, "emsp", /* em space, U+2003 ISOpub */ },
{ 8201, "thinsp",/* thin space, U+2009 ISOpub */ },
{ 8204, "zwnj", /* zero width non-joiner, U+200C NEW RFC 2070 */ },
{ 8205, "zwj", /* zero width joiner, U+200D NEW RFC 2070 */ },
{ 8206, "lrm", /* left-to-right mark, U+200E NEW RFC 2070 */ },
{ 8207, "rlm", /* right-to-left mark, U+200F NEW RFC 2070 */ },
{ 8211, "ndash",/* en dash, U+2013 ISOpub */ },
{ 8212, "mdash",/* em dash, U+2014 ISOpub */ },
{ 8216, "lsquo",/* left single quotation mark, U+2018 ISOnum */ },
{ 8217, "rsquo",/* right single quotation mark, U+2019 ISOnum */ },
{ 8218, "sbquo",/* single low-9 quotation mark, U+201A NEW */ },
{ 8220, "ldquo",/* left double quotation mark, U+201C ISOnum */ },
{ 8221, "rdquo",/* right double quotation mark, U+201D ISOnum */ },
{ 8222, "bdquo",/* double low-9 quotation mark, U+201E NEW */ },
{ 8224, "dagger",/* dagger, U+2020 ISOpub */ },
{ 8225, "Dagger",/* double dagger, U+2021 ISOpub */ },
{ 8240, "permil",/* per mille sign, U+2030 ISOtech */ },
{ 8249, "lsaquo",/* single left-pointing angle quotation mark, U+2039 ISO proposed */ },
{ 8250, "rsaquo",/* single right-pointing angle quotation mark, U+203A ISO proposed */ },
{ 8364, "euro", /* euro sign, U+20AC NEW */ }
};
static GHashTable *entities;
/* this cannot be called in a thread context */
static void tokenise_setup(void)
{
int i;
if (entities == NULL) {
entities = g_hash_table_new(g_str_hash, g_str_equal);
for (i=0;i<sizeof(entity_map)/sizeof(entity_map[0]);i++) {
g_hash_table_insert(entities, (char *)entity_map[i].name, (void *)entity_map[i].val);
}
}
}
static CamelHTMLParserPrivate *tokenise_init(void)
{
CamelHTMLParserPrivate *p;
p = g_malloc(sizeof(*p));
p->state = CAMEL_HTML_PARSER_DATA;
p->attr = 0;
p->attrs = g_ptr_array_new();
p->values = g_ptr_array_new();
p->tag = g_string_new("");
p->ent = g_string_new("");
p->charset = NULL;
if (entities == NULL)
tokenise_setup();
return p;
}
static void tokenise_free(CamelHTMLParserPrivate *p)
{
int i;
g_string_free(p->tag, TRUE);
g_string_free(p->ent, TRUE);
g_free(p->charset);
for (i=0;i<p->attrs->len;i++)
g_string_free(p->attrs->pdata[i], TRUE);
for (i=0;i<p->values->len;i++)
g_string_free(p->values->pdata[i], TRUE);
g_free(p);
}
static int convert_entity(const char *e, char *ent)
{
unsigned int val;
if (e[0] == '#')
return g_unichar_to_utf8(atoi(e+1), ent);
val = (unsigned int)g_hash_table_lookup(entities, e);
if (ent)
return g_unichar_to_utf8(val, ent);
else
return 0;
}
#if 0
static void dump_tag(CamelHTMLParserPrivate *p)
{
int i;
printf("got tag: %s\n", p->tag->str);
printf("%d attributes:\n", p->attr);
for (i=0;i<p->attr;i++) {
printf(" %s = '%s'\n", ((GString *)p->attrs->pdata[i])->str, ((GString *)p->values->pdata[i])->str);
}
}
#endif
static int tokenise_step(CamelHTMLParserPrivate *p, char **datap, int *lenp)
{
char *in = p->inptr;
char *inend = p->inend;
char c;
int state = p->state, ret, len;
char *start = p->inptr;
d(printf("Tokenise step\n"));
while (in < inend) {
c = *in++;
switch (state) {
case CAMEL_HTML_PARSER_DATA:
if (c == '<') {
ret = state;
state = CAMEL_HTML_PARSER_TAG;
p->attr = 0;
g_string_truncate(p->tag, 0);
d(printf("got data '%.*s'\n", in-start-1, start));
*datap = start;
*lenp = in-start-1;
goto done;
} else if (c=='&') {
ret = state;
state = CAMEL_HTML_PARSER_ENT;
g_string_truncate(p->ent, 0);
g_string_append_c(p->ent, c);
d(printf("got data '%.*s'\n", in-start-1, start));
*datap = start;
*lenp = in-start-1;
goto done;
}
break;
case CAMEL_HTML_PARSER_ENT:
if (c==';') {
len = convert_entity(p->ent->str+1, p->ent_utf8);
if (len == 0) {
/* handle broken entity */
g_string_append_c(p->ent, c);
ret = state = CAMEL_HTML_PARSER_DATA;
*datap = p->ent->str;
*lenp = p->ent->len;
goto done;
} else {
d(printf("got entity: %s = %s\n", p->ent->str, p->ent_utf8));
ret = state;
state = CAMEL_HTML_PARSER_DATA;
*datap = p->ent_utf8;
*lenp = len;
goto done;
}
} else if (isalnum(c) || c=='#') { /* FIXME: right type */
g_string_append_c(p->ent, c);
} else {
/* handle broken entity */
g_string_append_c(p->ent, c);
ret = state = CAMEL_HTML_PARSER_DATA;
*datap = p->ent->str;
*lenp = p->ent->len;
goto done;
}
break;
case CAMEL_HTML_PARSER_TAG:
if (c == '!') {
state = CAMEL_HTML_PARSER_COMMENT0;
g_string_append_c(p->tag, c);
} else if (c == '>') {
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
goto done;
} else if (c == ' ' || c=='\n' || c=='\t') {
state = CAMEL_HTML_PARSER_ATTR0;
} else {
g_string_append_c(p->tag, c);
}
break;
/* check for <!-- */
case CAMEL_HTML_PARSER_COMMENT0:
if (c == '-') {
g_string_append_c(p->tag, c);
if (p->tag->len == 3) {
g_string_truncate(p->tag, 0);
state = CAMEL_HTML_PARSER_COMMENT;
}
} else {
/* got something else, probbly dtd entity */
state = CAMEL_HTML_PARSER_DTDENT;
}
break;
case CAMEL_HTML_PARSER_DTDENT:
if (c == '>') {
ret = CAMEL_HTML_PARSER_DTDENT;
state = CAMEL_HTML_PARSER_DATA;
*datap = start;
*lenp = in-start-1;
goto done;
}
break;
case CAMEL_HTML_PARSER_COMMENT:
if (c == '>' && p->tag->len == 2) {
ret = CAMEL_HTML_PARSER_COMMENT;
state = CAMEL_HTML_PARSER_DATA;
*datap = start;
*lenp = in-start-1;
goto done;
} else if (c=='-') {
/* we dont care if we get 'n' --'s before the > */
if (p->tag->len < 2)
g_string_append_c(p->tag, c);
} else {
g_string_truncate(p->tag, 0);
}
break;
case CAMEL_HTML_PARSER_ATTR0: /* pre-attribute whitespace */
if (c == '>') {
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
goto done;
} else if (c == ' ' || c=='\n' || c=='\t') {
} else {
if (p->attrs->len <= p->attr) {
g_ptr_array_add(p->attrs, g_string_new(""));
g_ptr_array_add(p->values, g_string_new(""));
} else {
g_string_truncate(p->attrs->pdata[p->attr], 0);
g_string_truncate(p->values->pdata[p->attr], 0);
}
g_string_append_c(p->attrs->pdata[p->attr], c);
state = CAMEL_HTML_PARSER_ATTR;
}
break;
case CAMEL_HTML_PARSER_ATTR:
if (c == '>') {
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
goto done;
} else if (c == '=') {
state = CAMEL_HTML_PARSER_VAL0;
} else if (c == ' ' || c=='\n' || c=='\t') {
state = CAMEL_HTML_PARSER_ATTR0;
p->attr++;
} else {
g_string_append_c(p->attrs->pdata[p->attr], c);
}
break;
case CAMEL_HTML_PARSER_VAL0:
if (c == '>') {
d(printf("value truncated\n"));
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
goto done;
} else if (c == '\'' || c == '\"') {
p->quote = c;
state = CAMEL_HTML_PARSER_VAL;
} else if (c == ' ' || c=='\n' || c=='\t') {
} else {
g_string_append_c(p->values->pdata[p->attr], c);
p->quote = 0;
state = CAMEL_HTML_PARSER_VAL;
}
break;
case CAMEL_HTML_PARSER_VAL:
do_val:
if (p->quote) {
if (c == '>') {
d(printf("value truncated\n"));
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
p->attr++;
goto done;
} else if (c == p->quote) {
state = CAMEL_HTML_PARSER_ATTR0;
p->attr++;
} else if (c=='&') {
state = CAMEL_HTML_PARSER_VAL_ENT;
g_string_truncate(p->ent, 0);
} else {
g_string_append_c(p->values->pdata[p->attr], c);
}
} else if (c == '>') {
d(dump_tag(p));
ret = CAMEL_HTML_PARSER_ELEMENT;
state = CAMEL_HTML_PARSER_DATA;
p->attr++;
goto done;
} else if (c == ' ' || c=='\n' || c=='\t') {
state = CAMEL_HTML_PARSER_ATTR0;
p->attr++;
} else if (c=='&') {
state = CAMEL_HTML_PARSER_VAL_ENT;
g_string_truncate(p->ent, 0);
} else {
g_string_append_c(p->values->pdata[p->attr], c);
}
break;
case CAMEL_HTML_PARSER_VAL_ENT:
if (c==';') {
state = CAMEL_HTML_PARSER_VAL;
len = convert_entity(p->ent->str+1, p->ent_utf8);
if (len == 0) {
/* fallback; broken entity, just output it and see why we ended */
g_string_append(p->values->pdata[p->attr], p->ent->str);
g_string_append_c(p->values->pdata[p->attr], ';');
} else {
d(printf("got entity: %s = %s\n", p->ent->str, p->ent_utf8));
g_string_append(p->values->pdata[p->attr], p->ent_utf8);
}
} else if (isalnum(c) || c=='#') { /* FIXME: right type */
g_string_append_c(p->ent, c);
} else {
/* fallback; broken entity, just output it and see why we ended */
g_string_append(p->values->pdata[p->attr], p->ent->str);
goto do_val;
}
break;
}
}
if (p->eof) {
/* FIXME: what about other truncated states? */
switch (state) {
case CAMEL_HTML_PARSER_DATA:
case CAMEL_HTML_PARSER_COMMENT:
if (in > start) {
ret = state;
*datap = start;
*lenp = in-start-1;
} else {
ret = CAMEL_HTML_PARSER_EOF;
state = CAMEL_HTML_PARSER_EOF;
}
break;
default:
ret = CAMEL_HTML_PARSER_EOF;
state = CAMEL_HTML_PARSER_EOF;
}
} else {
/* we only care about remaining data for this buffer, everything else has its own copy */
switch (state) {
case CAMEL_HTML_PARSER_DATA:
case CAMEL_HTML_PARSER_COMMENT:
if (in > start) {
ret = state;
*datap = start;
*lenp = in-start-1;
} else {
ret = CAMEL_HTML_PARSER_EOD;
}
break;
default:
ret = CAMEL_HTML_PARSER_EOD;
}
}
done:
p->start = start;
p->state = state;
p->inptr = in;
return ret;
}
