diff options
Diffstat (limited to 'camel/camel-html-parser.c')
| -rw-r--r-- | camel/camel-html-parser.c | 807 |
1 files changed, 807 insertions, 0 deletions
diff --git a/camel/camel-html-parser.c b/camel/camel-html-parser.c new file mode 100644 index 0000000000..9169f97318 --- /dev/null +++ b/camel/camel-html-parser.c @@ -0,0 +1,807 @@ +/* + * 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; +} |