| author | Mikael Berthe <mikael@lilotux.net> |
| Sat, 16 Jun 2007 11:48:56 +0200 | |
| changeset 1234 | 2b7a4d003057 |
| parent 364 | 33b8e801ffa6 |
| permissions | -rw-r--r-- |
| 25 | 1 |
/* |
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The contents of this file are subject to the Mozilla Public License |
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Version 1.1 (the "License"); you may not use this file except in |
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compliance with the License. You may obtain a copy of the License at |
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http://www.mozilla.org/MPL/ |
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||
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Software distributed under the License is distributed on an "AS IS" |
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basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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License for the specific language governing rights and limitations |
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under the License. |
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The Original Code is expat. |
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||
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The Initial Developer of the Original Code is James Clark. |
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Portions created by James Clark are Copyright (C) 1998, 1999 |
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James Clark. All Rights Reserved. |
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Contributor(s): |
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Alternatively, the contents of this file may be used under the terms |
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of the GNU General Public License (the "GPL"), in which case the |
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provisions of the GPL are applicable instead of those above. If you |
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wish to allow use of your version of this file only under the terms of |
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the GPL and not to allow others to use your version of this file under |
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the MPL, indicate your decision by deleting the provisions above and |
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replace them with the notice and other provisions required by the |
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GPL. If you do not delete the provisions above, a recipient may use |
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your version of this file under either the MPL or the GPL. |
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*/ |
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||
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#ifndef IS_INVALID_CHAR |
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#define IS_INVALID_CHAR(enc, ptr, n) (0) |
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#endif |
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||
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#define INVALID_LEAD_CASE(n, ptr, nextTokPtr) \ |
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case BT_LEAD ## n: \ |
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if (end - ptr < n) \ |
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return XML_TOK_PARTIAL_CHAR; \ |
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if (IS_INVALID_CHAR(enc, ptr, n)) { \ |
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*(nextTokPtr) = (ptr); \ |
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return XML_TOK_INVALID; \ |
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} \ |
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ptr += n; \ |
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break; |
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||
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#define INVALID_CASES(ptr, nextTokPtr) \ |
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INVALID_LEAD_CASE(2, ptr, nextTokPtr) \ |
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INVALID_LEAD_CASE(3, ptr, nextTokPtr) \ |
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INVALID_LEAD_CASE(4, ptr, nextTokPtr) \ |
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case BT_NONXML: \ |
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case BT_MALFORM: \ |
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case BT_TRAIL: \ |
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*(nextTokPtr) = (ptr); \ |
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return XML_TOK_INVALID; |
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||
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#define CHECK_NAME_CASE(n, enc, ptr, end, nextTokPtr) \ |
|
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case BT_LEAD ## n: \ |
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if (end - ptr < n) \ |
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return XML_TOK_PARTIAL_CHAR; \ |
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if (!IS_NAME_CHAR(enc, ptr, n)) { \ |
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*nextTokPtr = ptr; \ |
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return XML_TOK_INVALID; \ |
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} \ |
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ptr += n; \ |
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break; |
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||
67 |
#define CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) \ |
|
68 |
case BT_NONASCII: \ |
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69 |
if (!IS_NAME_CHAR_MINBPC(enc, ptr)) { \ |
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*nextTokPtr = ptr; \ |
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return XML_TOK_INVALID; \ |
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} \ |
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case BT_NMSTRT: \ |
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case BT_HEX: \ |
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case BT_DIGIT: \ |
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case BT_NAME: \ |
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case BT_MINUS: \ |
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ptr += MINBPC(enc); \ |
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break; \ |
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CHECK_NAME_CASE(2, enc, ptr, end, nextTokPtr) \ |
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CHECK_NAME_CASE(3, enc, ptr, end, nextTokPtr) \ |
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CHECK_NAME_CASE(4, enc, ptr, end, nextTokPtr) |
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#define CHECK_NMSTRT_CASE(n, enc, ptr, end, nextTokPtr) \ |
|
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case BT_LEAD ## n: \ |
|
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if (end - ptr < n) \ |
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return XML_TOK_PARTIAL_CHAR; \ |
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if (!IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
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*nextTokPtr = ptr; \ |
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return XML_TOK_INVALID; \ |
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} \ |
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ptr += n; \ |
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break; |
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||
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#define CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) \ |
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case BT_NONASCII: \ |
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if (!IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { \ |
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*nextTokPtr = ptr; \ |
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return XML_TOK_INVALID; \ |
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} \ |
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case BT_NMSTRT: \ |
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case BT_HEX: \ |
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ptr += MINBPC(enc); \ |
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break; \ |
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CHECK_NMSTRT_CASE(2, enc, ptr, end, nextTokPtr) \ |
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CHECK_NMSTRT_CASE(3, enc, ptr, end, nextTokPtr) \ |
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CHECK_NMSTRT_CASE(4, enc, ptr, end, nextTokPtr) |
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#ifndef PREFIX |
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#define PREFIX(ident) ident |
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#endif |
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||
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/* ptr points to character following "<!-" */ |
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static |
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int PREFIX(scanComment)(const ENCODING *enc, const char *ptr, const char *end, |
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const char **nextTokPtr) |
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{ |
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if (ptr != end) { |
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if (!CHAR_MATCHES(enc, ptr, '-')) { |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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ptr += MINBPC(enc); |
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while (ptr != end) { |
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switch (BYTE_TYPE(enc, ptr)) { |
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INVALID_CASES(ptr, nextTokPtr) |
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case BT_MINUS: |
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if ((ptr += MINBPC(enc)) == end) |
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return XML_TOK_PARTIAL; |
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if (CHAR_MATCHES(enc, ptr, '-')) { |
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if ((ptr += MINBPC(enc)) == end) |
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return XML_TOK_PARTIAL; |
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if (!CHAR_MATCHES(enc, ptr, '>')) { |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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*nextTokPtr = ptr + MINBPC(enc); |
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return XML_TOK_COMMENT; |
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} |
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break; |
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default: |
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ptr += MINBPC(enc); |
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break; |
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} |
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} |
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} |
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return XML_TOK_PARTIAL; |
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} |
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/* ptr points to character following "<!" */ |
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static |
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int PREFIX(scanDecl)(const ENCODING *enc, const char *ptr, const char *end, |
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const char **nextTokPtr) |
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{ |
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if (ptr == end) |
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return XML_TOK_PARTIAL; |
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switch (BYTE_TYPE(enc, ptr)) { |
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case BT_MINUS: |
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return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
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case BT_LSQB: |
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*nextTokPtr = ptr + MINBPC(enc); |
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return XML_TOK_COND_SECT_OPEN; |
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case BT_NMSTRT: |
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case BT_HEX: |
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ptr += MINBPC(enc); |
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break; |
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default: |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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while (ptr != end) { |
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switch (BYTE_TYPE(enc, ptr)) { |
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case BT_PERCNT: |
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if (ptr + MINBPC(enc) == end) |
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return XML_TOK_PARTIAL; |
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/* don't allow <!ENTITY% foo "whatever"> */ |
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switch (BYTE_TYPE(enc, ptr + MINBPC(enc))) { |
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case BT_S: case BT_CR: case BT_LF: case BT_PERCNT: |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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/* fall through */ |
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case BT_S: case BT_CR: case BT_LF: |
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*nextTokPtr = ptr; |
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return XML_TOK_DECL_OPEN; |
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case BT_NMSTRT: |
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case BT_HEX: |
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ptr += MINBPC(enc); |
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break; |
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default: |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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} |
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return XML_TOK_PARTIAL; |
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} |
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||
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static |
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int PREFIX(checkPiTarget)(const ENCODING *enc, const char *ptr, const char *end, int *tokPtr) |
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{ |
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int upper = 0; |
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*tokPtr = XML_TOK_PI; |
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if (end - ptr != MINBPC(enc)*3) |
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return 1; |
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switch (BYTE_TO_ASCII(enc, ptr)) { |
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case 'x': |
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break; |
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case 'X': |
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upper = 1; |
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break; |
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default: |
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return 1; |
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} |
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ptr += MINBPC(enc); |
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switch (BYTE_TO_ASCII(enc, ptr)) { |
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case 'm': |
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break; |
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case 'M': |
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upper = 1; |
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break; |
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default: |
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return 1; |
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} |
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ptr += MINBPC(enc); |
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switch (BYTE_TO_ASCII(enc, ptr)) { |
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case 'l': |
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break; |
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case 'L': |
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upper = 1; |
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break; |
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default: |
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return 1; |
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} |
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if (upper) |
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return 0; |
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*tokPtr = XML_TOK_XML_DECL; |
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return 1; |
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} |
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241 |
||
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/* ptr points to character following "<?" */ |
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243 |
||
244 |
static |
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int PREFIX(scanPi)(const ENCODING *enc, const char *ptr, const char *end, |
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const char **nextTokPtr) |
|
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{ |
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int tok; |
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const char *target = ptr; |
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if (ptr == end) |
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return XML_TOK_PARTIAL; |
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switch (BYTE_TYPE(enc, ptr)) { |
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CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
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default: |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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258 |
while (ptr != end) { |
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259 |
switch (BYTE_TYPE(enc, ptr)) { |
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CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
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case BT_S: case BT_CR: case BT_LF: |
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if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
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*nextTokPtr = ptr; |
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return XML_TOK_INVALID; |
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} |
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ptr += MINBPC(enc); |
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267 |
while (ptr != end) { |
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268 |
switch (BYTE_TYPE(enc, ptr)) { |
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INVALID_CASES(ptr, nextTokPtr) |
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case BT_QUEST: |
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271 |
ptr += MINBPC(enc); |
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272 |
if (ptr == end) |
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return XML_TOK_PARTIAL; |
|
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if (CHAR_MATCHES(enc, ptr, '>')) { |
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275 |
*nextTokPtr = ptr + MINBPC(enc); |
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276 |
return tok; |
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277 |
} |
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278 |
break; |
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279 |
default: |
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280 |
ptr += MINBPC(enc); |
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281 |
break; |
|
282 |
} |
|
283 |
} |
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284 |
return XML_TOK_PARTIAL; |
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285 |
case BT_QUEST: |
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286 |
if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
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287 |
*nextTokPtr = ptr; |
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288 |
return XML_TOK_INVALID; |
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289 |
} |
|
290 |
ptr += MINBPC(enc); |
|
291 |
if (ptr == end) |
|
292 |
return XML_TOK_PARTIAL; |
|
293 |
if (CHAR_MATCHES(enc, ptr, '>')) { |
|
294 |
*nextTokPtr = ptr + MINBPC(enc); |
|
295 |
return tok; |
|
296 |
} |
|
297 |
/* fall through */ |
|
298 |
default: |
|
299 |
*nextTokPtr = ptr; |
|
300 |
return XML_TOK_INVALID; |
|
301 |
} |
|
302 |
} |
|
303 |
return XML_TOK_PARTIAL; |
|
304 |
} |
|
305 |
||
306 |
||
307 |
static |
|
308 |
int PREFIX(scanCdataSection)(const ENCODING *enc, const char *ptr, const char *end, |
|
309 |
const char **nextTokPtr) |
|
310 |
{ |
|
311 |
int i; |
|
312 |
/* CDATA[ */ |
|
313 |
if (end - ptr < 6 * MINBPC(enc)) |
|
314 |
return XML_TOK_PARTIAL; |
|
315 |
for (i = 0; i < 6; i++, ptr += MINBPC(enc)) { |
|
316 |
if (!CHAR_MATCHES(enc, ptr, "CDATA["[i])) { |
|
317 |
*nextTokPtr = ptr; |
|
318 |
return XML_TOK_INVALID; |
|
319 |
} |
|
320 |
} |
|
321 |
*nextTokPtr = ptr; |
|
322 |
return XML_TOK_CDATA_SECT_OPEN; |
|
323 |
} |
|
324 |
||
325 |
static |
|
326 |
int PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr, const char *end, |
|
327 |
const char **nextTokPtr) |
|
328 |
{ |
|
329 |
if (ptr == end) |
|
330 |
return XML_TOK_NONE; |
|
331 |
if (MINBPC(enc) > 1) { |
|
332 |
size_t n = end - ptr; |
|
333 |
if (n & (MINBPC(enc) - 1)) { |
|
334 |
n &= ~(MINBPC(enc) - 1); |
|
335 |
if (n == 0) |
|
336 |
return XML_TOK_PARTIAL; |
|
337 |
end = ptr + n; |
|
338 |
} |
|
339 |
} |
|
340 |
switch (BYTE_TYPE(enc, ptr)) { |
|
341 |
case BT_RSQB: |
|
342 |
ptr += MINBPC(enc); |
|
343 |
if (ptr == end) |
|
344 |
return XML_TOK_PARTIAL; |
|
345 |
if (!CHAR_MATCHES(enc, ptr, ']')) |
|
346 |
break; |
|
347 |
ptr += MINBPC(enc); |
|
348 |
if (ptr == end) |
|
349 |
return XML_TOK_PARTIAL; |
|
350 |
if (!CHAR_MATCHES(enc, ptr, '>')) { |
|
351 |
ptr -= MINBPC(enc); |
|
352 |
break; |
|
353 |
} |
|
354 |
*nextTokPtr = ptr + MINBPC(enc); |
|
355 |
return XML_TOK_CDATA_SECT_CLOSE; |
|
356 |
case BT_CR: |
|
357 |
ptr += MINBPC(enc); |
|
358 |
if (ptr == end) |
|
359 |
return XML_TOK_PARTIAL; |
|
360 |
if (BYTE_TYPE(enc, ptr) == BT_LF) |
|
361 |
ptr += MINBPC(enc); |
|
362 |
*nextTokPtr = ptr; |
|
363 |
return XML_TOK_DATA_NEWLINE; |
|
364 |
case BT_LF: |
|
365 |
*nextTokPtr = ptr + MINBPC(enc); |
|
366 |
return XML_TOK_DATA_NEWLINE; |
|
367 |
INVALID_CASES(ptr, nextTokPtr) |
|
368 |
default: |
|
369 |
ptr += MINBPC(enc); |
|
370 |
break; |
|
371 |
} |
|
372 |
while (ptr != end) { |
|
373 |
switch (BYTE_TYPE(enc, ptr)) { |
|
374 |
#define LEAD_CASE(n) \ |
|
375 |
case BT_LEAD ## n: \ |
|
376 |
if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
|
377 |
*nextTokPtr = ptr; \ |
|
378 |
return XML_TOK_DATA_CHARS; \ |
|
379 |
} \ |
|
380 |
ptr += n; \ |
|
381 |
break; |
|
382 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
383 |
#undef LEAD_CASE |
|
384 |
case BT_NONXML: |
|
385 |
case BT_MALFORM: |
|
386 |
case BT_TRAIL: |
|
387 |
case BT_CR: |
|
388 |
case BT_LF: |
|
389 |
case BT_RSQB: |
|
390 |
*nextTokPtr = ptr; |
|
391 |
return XML_TOK_DATA_CHARS; |
|
392 |
default: |
|
393 |
ptr += MINBPC(enc); |
|
394 |
break; |
|
395 |
} |
|
396 |
} |
|
397 |
*nextTokPtr = ptr; |
|
398 |
return XML_TOK_DATA_CHARS; |
|
399 |
} |
|
400 |
||
401 |
/* ptr points to character following "</" */ |
|
402 |
||
403 |
static |
|
404 |
int PREFIX(scanEndTag)(const ENCODING *enc, const char *ptr, const char *end, |
|
405 |
const char **nextTokPtr) |
|
406 |
{ |
|
407 |
if (ptr == end) |
|
408 |
return XML_TOK_PARTIAL; |
|
409 |
switch (BYTE_TYPE(enc, ptr)) { |
|
410 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
411 |
default: |
|
412 |
*nextTokPtr = ptr; |
|
413 |
return XML_TOK_INVALID; |
|
414 |
} |
|
415 |
while (ptr != end) { |
|
416 |
switch (BYTE_TYPE(enc, ptr)) { |
|
417 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
418 |
case BT_S: case BT_CR: case BT_LF: |
|
419 |
for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
|
420 |
switch (BYTE_TYPE(enc, ptr)) { |
|
421 |
case BT_S: case BT_CR: case BT_LF: |
|
422 |
break; |
|
423 |
case BT_GT: |
|
424 |
*nextTokPtr = ptr + MINBPC(enc); |
|
425 |
return XML_TOK_END_TAG; |
|
426 |
default: |
|
427 |
*nextTokPtr = ptr; |
|
428 |
return XML_TOK_INVALID; |
|
429 |
} |
|
430 |
} |
|
431 |
return XML_TOK_PARTIAL; |
|
432 |
#ifdef XML_NS |
|
433 |
case BT_COLON: |
|
434 |
/* no need to check qname syntax here, since end-tag must match exactly */ |
|
435 |
ptr += MINBPC(enc); |
|
436 |
break; |
|
437 |
#endif |
|
438 |
case BT_GT: |
|
439 |
*nextTokPtr = ptr + MINBPC(enc); |
|
440 |
return XML_TOK_END_TAG; |
|
441 |
default: |
|
442 |
*nextTokPtr = ptr; |
|
443 |
return XML_TOK_INVALID; |
|
444 |
} |
|
445 |
} |
|
446 |
return XML_TOK_PARTIAL; |
|
447 |
} |
|
448 |
||
449 |
/* ptr points to character following "&#X" */ |
|
450 |
||
451 |
static |
|
452 |
int PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr, const char *end, |
|
453 |
const char **nextTokPtr) |
|
454 |
{ |
|
455 |
if (ptr != end) { |
|
456 |
switch (BYTE_TYPE(enc, ptr)) { |
|
457 |
case BT_DIGIT: |
|
458 |
case BT_HEX: |
|
459 |
break; |
|
460 |
default: |
|
461 |
*nextTokPtr = ptr; |
|
462 |
return XML_TOK_INVALID; |
|
463 |
} |
|
464 |
for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
|
465 |
switch (BYTE_TYPE(enc, ptr)) { |
|
466 |
case BT_DIGIT: |
|
467 |
case BT_HEX: |
|
468 |
break; |
|
469 |
case BT_SEMI: |
|
470 |
*nextTokPtr = ptr + MINBPC(enc); |
|
471 |
return XML_TOK_CHAR_REF; |
|
472 |
default: |
|
473 |
*nextTokPtr = ptr; |
|
474 |
return XML_TOK_INVALID; |
|
475 |
} |
|
476 |
} |
|
477 |
} |
|
478 |
return XML_TOK_PARTIAL; |
|
479 |
} |
|
480 |
||
481 |
/* ptr points to character following "&#" */ |
|
482 |
||
483 |
static |
|
484 |
int PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr, const char *end, |
|
485 |
const char **nextTokPtr) |
|
486 |
{ |
|
487 |
if (ptr != end) { |
|
488 |
if (CHAR_MATCHES(enc, ptr, 'x')) |
|
489 |
return PREFIX(scanHexCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
490 |
switch (BYTE_TYPE(enc, ptr)) { |
|
491 |
case BT_DIGIT: |
|
492 |
break; |
|
493 |
default: |
|
494 |
*nextTokPtr = ptr; |
|
495 |
return XML_TOK_INVALID; |
|
496 |
} |
|
497 |
for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
|
498 |
switch (BYTE_TYPE(enc, ptr)) { |
|
499 |
case BT_DIGIT: |
|
500 |
break; |
|
501 |
case BT_SEMI: |
|
502 |
*nextTokPtr = ptr + MINBPC(enc); |
|
503 |
return XML_TOK_CHAR_REF; |
|
504 |
default: |
|
505 |
*nextTokPtr = ptr; |
|
506 |
return XML_TOK_INVALID; |
|
507 |
} |
|
508 |
} |
|
509 |
} |
|
510 |
return XML_TOK_PARTIAL; |
|
511 |
} |
|
512 |
||
513 |
/* ptr points to character following "&" */ |
|
514 |
||
515 |
static |
|
516 |
int PREFIX(scanRef)(const ENCODING *enc, const char *ptr, const char *end, |
|
517 |
const char **nextTokPtr) |
|
518 |
{ |
|
519 |
if (ptr == end) |
|
520 |
return XML_TOK_PARTIAL; |
|
521 |
switch (BYTE_TYPE(enc, ptr)) { |
|
522 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
523 |
case BT_NUM: |
|
524 |
return PREFIX(scanCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
525 |
default: |
|
526 |
*nextTokPtr = ptr; |
|
527 |
return XML_TOK_INVALID; |
|
528 |
} |
|
529 |
while (ptr != end) { |
|
530 |
switch (BYTE_TYPE(enc, ptr)) { |
|
531 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
532 |
case BT_SEMI: |
|
533 |
*nextTokPtr = ptr + MINBPC(enc); |
|
534 |
return XML_TOK_ENTITY_REF; |
|
535 |
default: |
|
536 |
*nextTokPtr = ptr; |
|
537 |
return XML_TOK_INVALID; |
|
538 |
} |
|
539 |
} |
|
540 |
return XML_TOK_PARTIAL; |
|
541 |
} |
|
542 |
||
543 |
/* ptr points to character following first character of attribute name */ |
|
544 |
||
545 |
static |
|
546 |
int PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end, |
|
547 |
const char **nextTokPtr) |
|
548 |
{ |
|
549 |
#ifdef XML_NS |
|
550 |
int hadColon = 0; |
|
551 |
#endif |
|
552 |
while (ptr != end) { |
|
553 |
switch (BYTE_TYPE(enc, ptr)) { |
|
554 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
555 |
#ifdef XML_NS |
|
556 |
case BT_COLON: |
|
557 |
if (hadColon) { |
|
558 |
*nextTokPtr = ptr; |
|
559 |
return XML_TOK_INVALID; |
|
560 |
} |
|
561 |
hadColon = 1; |
|
562 |
ptr += MINBPC(enc); |
|
563 |
if (ptr == end) |
|
564 |
return XML_TOK_PARTIAL; |
|
565 |
switch (BYTE_TYPE(enc, ptr)) { |
|
566 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
567 |
default: |
|
568 |
*nextTokPtr = ptr; |
|
569 |
return XML_TOK_INVALID; |
|
570 |
} |
|
571 |
break; |
|
572 |
#endif |
|
573 |
case BT_S: case BT_CR: case BT_LF: |
|
574 |
for (;;) { |
|
575 |
int t; |
|
576 |
||
577 |
ptr += MINBPC(enc); |
|
578 |
if (ptr == end) |
|
579 |
return XML_TOK_PARTIAL; |
|
580 |
t = BYTE_TYPE(enc, ptr); |
|
581 |
if (t == BT_EQUALS) |
|
582 |
break; |
|
583 |
switch (t) { |
|
584 |
case BT_S: |
|
585 |
case BT_LF: |
|
586 |
case BT_CR: |
|
587 |
break; |
|
588 |
default: |
|
589 |
*nextTokPtr = ptr; |
|
590 |
return XML_TOK_INVALID; |
|
591 |
} |
|
592 |
} |
|
593 |
/* fall through */ |
|
594 |
case BT_EQUALS: |
|
595 |
{ |
|
596 |
int open; |
|
597 |
#ifdef XML_NS |
|
598 |
hadColon = 0; |
|
599 |
#endif |
|
600 |
for (;;) { |
|
601 |
||
602 |
ptr += MINBPC(enc); |
|
603 |
if (ptr == end) |
|
604 |
return XML_TOK_PARTIAL; |
|
605 |
open = BYTE_TYPE(enc, ptr); |
|
606 |
if (open == BT_QUOT || open == BT_APOS) |
|
607 |
break; |
|
608 |
switch (open) { |
|
609 |
case BT_S: |
|
610 |
case BT_LF: |
|
611 |
case BT_CR: |
|
612 |
break; |
|
613 |
default: |
|
614 |
*nextTokPtr = ptr; |
|
615 |
return XML_TOK_INVALID; |
|
616 |
} |
|
617 |
} |
|
618 |
ptr += MINBPC(enc); |
|
619 |
/* in attribute value */ |
|
620 |
for (;;) { |
|
621 |
int t; |
|
622 |
if (ptr == end) |
|
623 |
return XML_TOK_PARTIAL; |
|
624 |
t = BYTE_TYPE(enc, ptr); |
|
625 |
if (t == open) |
|
626 |
break; |
|
627 |
switch (t) { |
|
628 |
INVALID_CASES(ptr, nextTokPtr) |
|
629 |
case BT_AMP: |
|
630 |
{ |
|
631 |
int tok = PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, &ptr); |
|
632 |
if (tok <= 0) { |
|
633 |
if (tok == XML_TOK_INVALID) |
|
634 |
*nextTokPtr = ptr; |
|
635 |
return tok; |
|
636 |
} |
|
637 |
break; |
|
638 |
} |
|
639 |
case BT_LT: |
|
640 |
*nextTokPtr = ptr; |
|
641 |
return XML_TOK_INVALID; |
|
642 |
default: |
|
643 |
ptr += MINBPC(enc); |
|
644 |
break; |
|
645 |
} |
|
646 |
} |
|
647 |
ptr += MINBPC(enc); |
|
648 |
if (ptr == end) |
|
649 |
return XML_TOK_PARTIAL; |
|
650 |
switch (BYTE_TYPE(enc, ptr)) { |
|
651 |
case BT_S: |
|
652 |
case BT_CR: |
|
653 |
case BT_LF: |
|
654 |
break; |
|
655 |
case BT_SOL: |
|
656 |
goto sol; |
|
657 |
case BT_GT: |
|
658 |
goto gt; |
|
659 |
default: |
|
660 |
*nextTokPtr = ptr; |
|
661 |
return XML_TOK_INVALID; |
|
662 |
} |
|
663 |
/* ptr points to closing quote */ |
|
664 |
for (;;) { |
|
665 |
ptr += MINBPC(enc); |
|
666 |
if (ptr == end) |
|
667 |
return XML_TOK_PARTIAL; |
|
668 |
switch (BYTE_TYPE(enc, ptr)) { |
|
669 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
670 |
case BT_S: case BT_CR: case BT_LF: |
|
671 |
continue; |
|
672 |
case BT_GT: |
|
673 |
gt: |
|
674 |
*nextTokPtr = ptr + MINBPC(enc); |
|
675 |
return XML_TOK_START_TAG_WITH_ATTS; |
|
676 |
case BT_SOL: |
|
677 |
sol: |
|
678 |
ptr += MINBPC(enc); |
|
679 |
if (ptr == end) |
|
680 |
return XML_TOK_PARTIAL; |
|
681 |
if (!CHAR_MATCHES(enc, ptr, '>')) { |
|
682 |
*nextTokPtr = ptr; |
|
683 |
return XML_TOK_INVALID; |
|
684 |
} |
|
685 |
*nextTokPtr = ptr + MINBPC(enc); |
|
686 |
return XML_TOK_EMPTY_ELEMENT_WITH_ATTS; |
|
687 |
default: |
|
688 |
*nextTokPtr = ptr; |
|
689 |
return XML_TOK_INVALID; |
|
690 |
} |
|
691 |
break; |
|
692 |
} |
|
693 |
break; |
|
694 |
} |
|
695 |
default: |
|
696 |
*nextTokPtr = ptr; |
|
697 |
return XML_TOK_INVALID; |
|
698 |
} |
|
699 |
} |
|
700 |
return XML_TOK_PARTIAL; |
|
701 |
} |
|
702 |
||
703 |
/* ptr points to character following "<" */ |
|
704 |
||
705 |
static |
|
706 |
int PREFIX(scanLt)(const ENCODING *enc, const char *ptr, const char *end, |
|
707 |
const char **nextTokPtr) |
|
708 |
{ |
|
709 |
#ifdef XML_NS |
|
710 |
int hadColon; |
|
711 |
#endif |
|
712 |
if (ptr == end) |
|
713 |
return XML_TOK_PARTIAL; |
|
714 |
switch (BYTE_TYPE(enc, ptr)) { |
|
715 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
716 |
case BT_EXCL: |
|
717 |
if ((ptr += MINBPC(enc)) == end) |
|
718 |
return XML_TOK_PARTIAL; |
|
719 |
switch (BYTE_TYPE(enc, ptr)) { |
|
720 |
case BT_MINUS: |
|
721 |
return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
722 |
case BT_LSQB: |
|
723 |
return PREFIX(scanCdataSection)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
724 |
} |
|
725 |
*nextTokPtr = ptr; |
|
726 |
return XML_TOK_INVALID; |
|
727 |
case BT_QUEST: |
|
728 |
return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
729 |
case BT_SOL: |
|
730 |
return PREFIX(scanEndTag)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
731 |
default: |
|
732 |
*nextTokPtr = ptr; |
|
733 |
return XML_TOK_INVALID; |
|
734 |
} |
|
735 |
#ifdef XML_NS |
|
736 |
hadColon = 0; |
|
737 |
#endif |
|
738 |
/* we have a start-tag */ |
|
739 |
while (ptr != end) { |
|
740 |
switch (BYTE_TYPE(enc, ptr)) { |
|
741 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
742 |
#ifdef XML_NS |
|
743 |
case BT_COLON: |
|
744 |
if (hadColon) { |
|
745 |
*nextTokPtr = ptr; |
|
746 |
return XML_TOK_INVALID; |
|
747 |
} |
|
748 |
hadColon = 1; |
|
749 |
ptr += MINBPC(enc); |
|
750 |
if (ptr == end) |
|
751 |
return XML_TOK_PARTIAL; |
|
752 |
switch (BYTE_TYPE(enc, ptr)) { |
|
753 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
754 |
default: |
|
755 |
*nextTokPtr = ptr; |
|
756 |
return XML_TOK_INVALID; |
|
757 |
} |
|
758 |
break; |
|
759 |
#endif |
|
760 |
case BT_S: case BT_CR: case BT_LF: |
|
761 |
{ |
|
762 |
ptr += MINBPC(enc); |
|
763 |
while (ptr != end) { |
|
764 |
switch (BYTE_TYPE(enc, ptr)) { |
|
765 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
766 |
case BT_GT: |
|
767 |
goto gt; |
|
768 |
case BT_SOL: |
|
769 |
goto sol; |
|
770 |
case BT_S: case BT_CR: case BT_LF: |
|
771 |
ptr += MINBPC(enc); |
|
772 |
continue; |
|
773 |
default: |
|
774 |
*nextTokPtr = ptr; |
|
775 |
return XML_TOK_INVALID; |
|
776 |
} |
|
777 |
return PREFIX(scanAtts)(enc, ptr, end, nextTokPtr); |
|
778 |
} |
|
779 |
return XML_TOK_PARTIAL; |
|
780 |
} |
|
781 |
case BT_GT: |
|
782 |
gt: |
|
783 |
*nextTokPtr = ptr + MINBPC(enc); |
|
784 |
return XML_TOK_START_TAG_NO_ATTS; |
|
785 |
case BT_SOL: |
|
786 |
sol: |
|
787 |
ptr += MINBPC(enc); |
|
788 |
if (ptr == end) |
|
789 |
return XML_TOK_PARTIAL; |
|
790 |
if (!CHAR_MATCHES(enc, ptr, '>')) { |
|
791 |
*nextTokPtr = ptr; |
|
792 |
return XML_TOK_INVALID; |
|
793 |
} |
|
794 |
*nextTokPtr = ptr + MINBPC(enc); |
|
795 |
return XML_TOK_EMPTY_ELEMENT_NO_ATTS; |
|
796 |
default: |
|
797 |
*nextTokPtr = ptr; |
|
798 |
return XML_TOK_INVALID; |
|
799 |
} |
|
800 |
} |
|
801 |
return XML_TOK_PARTIAL; |
|
802 |
} |
|
803 |
||
804 |
static |
|
805 |
int PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end, |
|
806 |
const char **nextTokPtr) |
|
807 |
{ |
|
808 |
if (ptr == end) |
|
809 |
return XML_TOK_NONE; |
|
810 |
if (MINBPC(enc) > 1) { |
|
811 |
size_t n = end - ptr; |
|
812 |
if (n & (MINBPC(enc) - 1)) { |
|
813 |
n &= ~(MINBPC(enc) - 1); |
|
814 |
if (n == 0) |
|
815 |
return XML_TOK_PARTIAL; |
|
816 |
end = ptr + n; |
|
817 |
} |
|
818 |
} |
|
819 |
switch (BYTE_TYPE(enc, ptr)) { |
|
820 |
case BT_LT: |
|
821 |
return PREFIX(scanLt)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
822 |
case BT_AMP: |
|
823 |
return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
824 |
case BT_CR: |
|
825 |
ptr += MINBPC(enc); |
|
826 |
if (ptr == end) |
|
827 |
return XML_TOK_TRAILING_CR; |
|
828 |
if (BYTE_TYPE(enc, ptr) == BT_LF) |
|
829 |
ptr += MINBPC(enc); |
|
830 |
*nextTokPtr = ptr; |
|
831 |
return XML_TOK_DATA_NEWLINE; |
|
832 |
case BT_LF: |
|
833 |
*nextTokPtr = ptr + MINBPC(enc); |
|
834 |
return XML_TOK_DATA_NEWLINE; |
|
835 |
case BT_RSQB: |
|
836 |
ptr += MINBPC(enc); |
|
837 |
if (ptr == end) |
|
838 |
return XML_TOK_TRAILING_RSQB; |
|
839 |
if (!CHAR_MATCHES(enc, ptr, ']')) |
|
840 |
break; |
|
841 |
ptr += MINBPC(enc); |
|
842 |
if (ptr == end) |
|
843 |
return XML_TOK_TRAILING_RSQB; |
|
844 |
if (!CHAR_MATCHES(enc, ptr, '>')) { |
|
845 |
ptr -= MINBPC(enc); |
|
846 |
break; |
|
847 |
} |
|
848 |
*nextTokPtr = ptr; |
|
849 |
return XML_TOK_INVALID; |
|
850 |
INVALID_CASES(ptr, nextTokPtr) |
|
851 |
default: |
|
852 |
ptr += MINBPC(enc); |
|
853 |
break; |
|
854 |
} |
|
855 |
while (ptr != end) { |
|
856 |
switch (BYTE_TYPE(enc, ptr)) { |
|
857 |
#define LEAD_CASE(n) \ |
|
858 |
case BT_LEAD ## n: \ |
|
859 |
if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
|
860 |
*nextTokPtr = ptr; \ |
|
861 |
return XML_TOK_DATA_CHARS; \ |
|
862 |
} \ |
|
863 |
ptr += n; \ |
|
864 |
break; |
|
865 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
866 |
#undef LEAD_CASE |
|
867 |
case BT_RSQB: |
|
868 |
if (ptr + MINBPC(enc) != end) { |
|
869 |
if (!CHAR_MATCHES(enc, ptr + MINBPC(enc), ']')) { |
|
870 |
ptr += MINBPC(enc); |
|
871 |
break; |
|
872 |
} |
|
873 |
if (ptr + 2*MINBPC(enc) != end) { |
|
874 |
if (!CHAR_MATCHES(enc, ptr + 2*MINBPC(enc), '>')) { |
|
875 |
ptr += MINBPC(enc); |
|
876 |
break; |
|
877 |
} |
|
878 |
*nextTokPtr = ptr + 2*MINBPC(enc); |
|
879 |
return XML_TOK_INVALID; |
|
880 |
} |
|
881 |
} |
|
882 |
/* fall through */ |
|
883 |
case BT_AMP: |
|
884 |
case BT_LT: |
|
885 |
case BT_NONXML: |
|
886 |
case BT_MALFORM: |
|
887 |
case BT_TRAIL: |
|
888 |
case BT_CR: |
|
889 |
case BT_LF: |
|
890 |
*nextTokPtr = ptr; |
|
891 |
return XML_TOK_DATA_CHARS; |
|
892 |
default: |
|
893 |
ptr += MINBPC(enc); |
|
894 |
break; |
|
895 |
} |
|
896 |
} |
|
897 |
*nextTokPtr = ptr; |
|
898 |
return XML_TOK_DATA_CHARS; |
|
899 |
} |
|
900 |
||
901 |
/* ptr points to character following "%" */ |
|
902 |
||
903 |
static |
|
904 |
int PREFIX(scanPercent)(const ENCODING *enc, const char *ptr, const char *end, |
|
905 |
const char **nextTokPtr) |
|
906 |
{ |
|
907 |
if (ptr == end) |
|
908 |
return XML_TOK_PARTIAL; |
|
909 |
switch (BYTE_TYPE(enc, ptr)) { |
|
910 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
911 |
case BT_S: case BT_LF: case BT_CR: case BT_PERCNT: |
|
912 |
*nextTokPtr = ptr; |
|
913 |
return XML_TOK_PERCENT; |
|
914 |
default: |
|
915 |
*nextTokPtr = ptr; |
|
916 |
return XML_TOK_INVALID; |
|
917 |
} |
|
918 |
while (ptr != end) { |
|
919 |
switch (BYTE_TYPE(enc, ptr)) { |
|
920 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
921 |
case BT_SEMI: |
|
922 |
*nextTokPtr = ptr + MINBPC(enc); |
|
923 |
return XML_TOK_PARAM_ENTITY_REF; |
|
924 |
default: |
|
925 |
*nextTokPtr = ptr; |
|
926 |
return XML_TOK_INVALID; |
|
927 |
} |
|
928 |
} |
|
929 |
return XML_TOK_PARTIAL; |
|
930 |
} |
|
931 |
||
932 |
static |
|
933 |
int PREFIX(scanPoundName)(const ENCODING *enc, const char *ptr, const char *end, |
|
934 |
const char **nextTokPtr) |
|
935 |
{ |
|
936 |
if (ptr == end) |
|
937 |
return XML_TOK_PARTIAL; |
|
938 |
switch (BYTE_TYPE(enc, ptr)) { |
|
939 |
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
|
940 |
default: |
|
941 |
*nextTokPtr = ptr; |
|
942 |
return XML_TOK_INVALID; |
|
943 |
} |
|
944 |
while (ptr != end) { |
|
945 |
switch (BYTE_TYPE(enc, ptr)) { |
|
946 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
947 |
case BT_CR: case BT_LF: case BT_S: |
|
948 |
case BT_RPAR: case BT_GT: case BT_PERCNT: case BT_VERBAR: |
|
949 |
*nextTokPtr = ptr; |
|
950 |
return XML_TOK_POUND_NAME; |
|
951 |
default: |
|
952 |
*nextTokPtr = ptr; |
|
953 |
return XML_TOK_INVALID; |
|
954 |
} |
|
955 |
} |
|
956 |
return XML_TOK_PARTIAL; |
|
957 |
} |
|
958 |
||
959 |
static |
|
960 |
int PREFIX(scanLit)(int open, const ENCODING *enc, |
|
961 |
const char *ptr, const char *end, |
|
962 |
const char **nextTokPtr) |
|
963 |
{ |
|
964 |
while (ptr != end) { |
|
965 |
int t = BYTE_TYPE(enc, ptr); |
|
966 |
switch (t) { |
|
967 |
INVALID_CASES(ptr, nextTokPtr) |
|
968 |
case BT_QUOT: |
|
969 |
case BT_APOS: |
|
970 |
ptr += MINBPC(enc); |
|
971 |
if (t != open) |
|
972 |
break; |
|
973 |
if (ptr == end) |
|
974 |
return XML_TOK_PARTIAL; |
|
975 |
*nextTokPtr = ptr; |
|
976 |
switch (BYTE_TYPE(enc, ptr)) { |
|
977 |
case BT_S: case BT_CR: case BT_LF: |
|
978 |
case BT_GT: case BT_PERCNT: case BT_LSQB: |
|
979 |
return XML_TOK_LITERAL; |
|
980 |
default: |
|
981 |
return XML_TOK_INVALID; |
|
982 |
} |
|
983 |
default: |
|
984 |
ptr += MINBPC(enc); |
|
985 |
break; |
|
986 |
} |
|
987 |
} |
|
988 |
return XML_TOK_PARTIAL; |
|
989 |
} |
|
990 |
||
991 |
static |
|
992 |
int PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end, |
|
993 |
const char **nextTokPtr) |
|
994 |
{ |
|
995 |
int tok; |
|
996 |
if (ptr == end) |
|
997 |
return XML_TOK_NONE; |
|
998 |
if (MINBPC(enc) > 1) { |
|
999 |
size_t n = end - ptr; |
|
1000 |
if (n & (MINBPC(enc) - 1)) { |
|
1001 |
n &= ~(MINBPC(enc) - 1); |
|
1002 |
if (n == 0) |
|
1003 |
return XML_TOK_PARTIAL; |
|
1004 |
end = ptr + n; |
|
1005 |
} |
|
1006 |
} |
|
1007 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1008 |
case BT_QUOT: |
|
1009 |
return PREFIX(scanLit)(BT_QUOT, enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1010 |
case BT_APOS: |
|
1011 |
return PREFIX(scanLit)(BT_APOS, enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1012 |
case BT_LT: |
|
1013 |
{ |
|
1014 |
ptr += MINBPC(enc); |
|
1015 |
if (ptr == end) |
|
1016 |
return XML_TOK_PARTIAL; |
|
1017 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1018 |
case BT_EXCL: |
|
1019 |
return PREFIX(scanDecl)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1020 |
case BT_QUEST: |
|
1021 |
return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1022 |
case BT_NMSTRT: |
|
1023 |
case BT_HEX: |
|
1024 |
case BT_NONASCII: |
|
1025 |
case BT_LEAD2: |
|
1026 |
case BT_LEAD3: |
|
1027 |
case BT_LEAD4: |
|
1028 |
*nextTokPtr = ptr - MINBPC(enc); |
|
1029 |
return XML_TOK_INSTANCE_START; |
|
1030 |
} |
|
1031 |
*nextTokPtr = ptr; |
|
1032 |
return XML_TOK_INVALID; |
|
1033 |
} |
|
1034 |
case BT_CR: |
|
1035 |
if (ptr + MINBPC(enc) == end) |
|
1036 |
return XML_TOK_TRAILING_CR; |
|
1037 |
/* fall through */ |
|
1038 |
case BT_S: case BT_LF: |
|
1039 |
for (;;) { |
|
1040 |
ptr += MINBPC(enc); |
|
1041 |
if (ptr == end) |
|
1042 |
break; |
|
1043 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1044 |
case BT_S: case BT_LF: |
|
1045 |
break; |
|
1046 |
case BT_CR: |
|
1047 |
/* don't split CR/LF pair */ |
|
1048 |
if (ptr + MINBPC(enc) != end) |
|
1049 |
break; |
|
1050 |
/* fall through */ |
|
1051 |
default: |
|
1052 |
*nextTokPtr = ptr; |
|
1053 |
return XML_TOK_PROLOG_S; |
|
1054 |
} |
|
1055 |
} |
|
1056 |
*nextTokPtr = ptr; |
|
1057 |
return XML_TOK_PROLOG_S; |
|
1058 |
case BT_PERCNT: |
|
1059 |
return PREFIX(scanPercent)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1060 |
case BT_COMMA: |
|
1061 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1062 |
return XML_TOK_COMMA; |
|
1063 |
case BT_LSQB: |
|
1064 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1065 |
return XML_TOK_OPEN_BRACKET; |
|
1066 |
case BT_RSQB: |
|
1067 |
ptr += MINBPC(enc); |
|
1068 |
if (ptr == end) |
|
1069 |
return XML_TOK_PARTIAL; |
|
1070 |
if (CHAR_MATCHES(enc, ptr, ']')) { |
|
1071 |
if (ptr + MINBPC(enc) == end) |
|
1072 |
return XML_TOK_PARTIAL; |
|
1073 |
if (CHAR_MATCHES(enc, ptr + MINBPC(enc), '>')) { |
|
1074 |
*nextTokPtr = ptr + 2*MINBPC(enc); |
|
1075 |
return XML_TOK_COND_SECT_CLOSE; |
|
1076 |
} |
|
1077 |
} |
|
1078 |
*nextTokPtr = ptr; |
|
1079 |
return XML_TOK_CLOSE_BRACKET; |
|
1080 |
case BT_LPAR: |
|
1081 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1082 |
return XML_TOK_OPEN_PAREN; |
|
1083 |
case BT_RPAR: |
|
1084 |
ptr += MINBPC(enc); |
|
1085 |
if (ptr == end) |
|
1086 |
return XML_TOK_PARTIAL; |
|
1087 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1088 |
case BT_AST: |
|
1089 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1090 |
return XML_TOK_CLOSE_PAREN_ASTERISK; |
|
1091 |
case BT_QUEST: |
|
1092 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1093 |
return XML_TOK_CLOSE_PAREN_QUESTION; |
|
1094 |
case BT_PLUS: |
|
1095 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1096 |
return XML_TOK_CLOSE_PAREN_PLUS; |
|
1097 |
case BT_CR: case BT_LF: case BT_S: |
|
1098 |
case BT_GT: case BT_COMMA: case BT_VERBAR: |
|
1099 |
case BT_RPAR: |
|
1100 |
*nextTokPtr = ptr; |
|
1101 |
return XML_TOK_CLOSE_PAREN; |
|
1102 |
} |
|
1103 |
*nextTokPtr = ptr; |
|
1104 |
return XML_TOK_INVALID; |
|
1105 |
case BT_VERBAR: |
|
1106 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1107 |
return XML_TOK_OR; |
|
1108 |
case BT_GT: |
|
1109 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1110 |
return XML_TOK_DECL_CLOSE; |
|
1111 |
case BT_NUM: |
|
1112 |
return PREFIX(scanPoundName)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1113 |
#define LEAD_CASE(n) \ |
|
1114 |
case BT_LEAD ## n: \ |
|
1115 |
if (end - ptr < n) \ |
|
1116 |
return XML_TOK_PARTIAL_CHAR; \ |
|
1117 |
if (IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
|
1118 |
ptr += n; \ |
|
1119 |
tok = XML_TOK_NAME; \ |
|
1120 |
break; \ |
|
1121 |
} \ |
|
1122 |
if (IS_NAME_CHAR(enc, ptr, n)) { \ |
|
1123 |
ptr += n; \ |
|
1124 |
tok = XML_TOK_NMTOKEN; \ |
|
1125 |
break; \ |
|
1126 |
} \ |
|
1127 |
*nextTokPtr = ptr; \ |
|
1128 |
return XML_TOK_INVALID; |
|
1129 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1130 |
#undef LEAD_CASE |
|
1131 |
case BT_NMSTRT: |
|
1132 |
case BT_HEX: |
|
1133 |
tok = XML_TOK_NAME; |
|
1134 |
ptr += MINBPC(enc); |
|
1135 |
break; |
|
1136 |
case BT_DIGIT: |
|
1137 |
case BT_NAME: |
|
1138 |
case BT_MINUS: |
|
1139 |
#ifdef XML_NS |
|
1140 |
case BT_COLON: |
|
1141 |
#endif |
|
1142 |
tok = XML_TOK_NMTOKEN; |
|
1143 |
ptr += MINBPC(enc); |
|
1144 |
break; |
|
1145 |
case BT_NONASCII: |
|
1146 |
if (IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { |
|
1147 |
ptr += MINBPC(enc); |
|
1148 |
tok = XML_TOK_NAME; |
|
1149 |
break; |
|
1150 |
} |
|
1151 |
if (IS_NAME_CHAR_MINBPC(enc, ptr)) { |
|
1152 |
ptr += MINBPC(enc); |
|
1153 |
tok = XML_TOK_NMTOKEN; |
|
1154 |
break; |
|
1155 |
} |
|
1156 |
/* fall through */ |
|
1157 |
default: |
|
1158 |
*nextTokPtr = ptr; |
|
1159 |
return XML_TOK_INVALID; |
|
1160 |
} |
|
1161 |
while (ptr != end) { |
|
1162 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1163 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
1164 |
case BT_GT: case BT_RPAR: case BT_COMMA: |
|
1165 |
case BT_VERBAR: case BT_LSQB: case BT_PERCNT: |
|
1166 |
case BT_S: case BT_CR: case BT_LF: |
|
1167 |
*nextTokPtr = ptr; |
|
1168 |
return tok; |
|
1169 |
#ifdef XML_NS |
|
1170 |
case BT_COLON: |
|
1171 |
ptr += MINBPC(enc); |
|
1172 |
switch (tok) { |
|
1173 |
case XML_TOK_NAME: |
|
1174 |
if (ptr == end) |
|
1175 |
return XML_TOK_PARTIAL; |
|
1176 |
tok = XML_TOK_PREFIXED_NAME; |
|
1177 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1178 |
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
|
1179 |
default: |
|
1180 |
tok = XML_TOK_NMTOKEN; |
|
1181 |
break; |
|
1182 |
} |
|
1183 |
break; |
|
1184 |
case XML_TOK_PREFIXED_NAME: |
|
1185 |
tok = XML_TOK_NMTOKEN; |
|
1186 |
break; |
|
1187 |
} |
|
1188 |
break; |
|
1189 |
#endif |
|
1190 |
case BT_PLUS: |
|
1191 |
if (tok == XML_TOK_NMTOKEN) { |
|
1192 |
*nextTokPtr = ptr; |
|
1193 |
return XML_TOK_INVALID; |
|
1194 |
} |
|
1195 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1196 |
return XML_TOK_NAME_PLUS; |
|
1197 |
case BT_AST: |
|
1198 |
if (tok == XML_TOK_NMTOKEN) { |
|
1199 |
*nextTokPtr = ptr; |
|
1200 |
return XML_TOK_INVALID; |
|
1201 |
} |
|
1202 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1203 |
return XML_TOK_NAME_ASTERISK; |
|
1204 |
case BT_QUEST: |
|
1205 |
if (tok == XML_TOK_NMTOKEN) { |
|
1206 |
*nextTokPtr = ptr; |
|
1207 |
return XML_TOK_INVALID; |
|
1208 |
} |
|
1209 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1210 |
return XML_TOK_NAME_QUESTION; |
|
1211 |
default: |
|
1212 |
*nextTokPtr = ptr; |
|
1213 |
return XML_TOK_INVALID; |
|
1214 |
} |
|
1215 |
} |
|
1216 |
return XML_TOK_PARTIAL; |
|
1217 |
} |
|
1218 |
||
1219 |
static |
|
1220 |
int PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr, const char *end, |
|
1221 |
const char **nextTokPtr) |
|
1222 |
{ |
|
1223 |
const char *start; |
|
1224 |
if (ptr == end) |
|
1225 |
return XML_TOK_NONE; |
|
1226 |
start = ptr; |
|
1227 |
while (ptr != end) { |
|
1228 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1229 |
#define LEAD_CASE(n) \ |
|
1230 |
case BT_LEAD ## n: ptr += n; break; |
|
1231 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1232 |
#undef LEAD_CASE |
|
1233 |
case BT_AMP: |
|
1234 |
if (ptr == start) |
|
1235 |
return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1236 |
*nextTokPtr = ptr; |
|
1237 |
return XML_TOK_DATA_CHARS; |
|
1238 |
case BT_LT: |
|
1239 |
/* this is for inside entity references */ |
|
1240 |
*nextTokPtr = ptr; |
|
1241 |
return XML_TOK_INVALID; |
|
1242 |
case BT_LF: |
|
1243 |
if (ptr == start) { |
|
1244 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1245 |
return XML_TOK_DATA_NEWLINE; |
|
1246 |
} |
|
1247 |
*nextTokPtr = ptr; |
|
1248 |
return XML_TOK_DATA_CHARS; |
|
1249 |
case BT_CR: |
|
1250 |
if (ptr == start) { |
|
1251 |
ptr += MINBPC(enc); |
|
1252 |
if (ptr == end) |
|
1253 |
return XML_TOK_TRAILING_CR; |
|
1254 |
if (BYTE_TYPE(enc, ptr) == BT_LF) |
|
1255 |
ptr += MINBPC(enc); |
|
1256 |
*nextTokPtr = ptr; |
|
1257 |
return XML_TOK_DATA_NEWLINE; |
|
1258 |
} |
|
1259 |
*nextTokPtr = ptr; |
|
1260 |
return XML_TOK_DATA_CHARS; |
|
1261 |
case BT_S: |
|
1262 |
if (ptr == start) { |
|
1263 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1264 |
return XML_TOK_ATTRIBUTE_VALUE_S; |
|
1265 |
} |
|
1266 |
*nextTokPtr = ptr; |
|
1267 |
return XML_TOK_DATA_CHARS; |
|
1268 |
default: |
|
1269 |
ptr += MINBPC(enc); |
|
1270 |
break; |
|
1271 |
} |
|
1272 |
} |
|
1273 |
*nextTokPtr = ptr; |
|
1274 |
return XML_TOK_DATA_CHARS; |
|
1275 |
} |
|
1276 |
||
1277 |
static |
|
1278 |
int PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr, const char *end, |
|
1279 |
const char **nextTokPtr) |
|
1280 |
{ |
|
1281 |
const char *start; |
|
1282 |
if (ptr == end) |
|
1283 |
return XML_TOK_NONE; |
|
1284 |
start = ptr; |
|
1285 |
while (ptr != end) { |
|
1286 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1287 |
#define LEAD_CASE(n) \ |
|
1288 |
case BT_LEAD ## n: ptr += n; break; |
|
1289 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1290 |
#undef LEAD_CASE |
|
1291 |
case BT_AMP: |
|
1292 |
if (ptr == start) |
|
1293 |
return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1294 |
*nextTokPtr = ptr; |
|
1295 |
return XML_TOK_DATA_CHARS; |
|
1296 |
case BT_PERCNT: |
|
1297 |
if (ptr == start) |
|
1298 |
return PREFIX(scanPercent)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
|
1299 |
*nextTokPtr = ptr; |
|
1300 |
return XML_TOK_DATA_CHARS; |
|
1301 |
case BT_LF: |
|
1302 |
if (ptr == start) { |
|
1303 |
*nextTokPtr = ptr + MINBPC(enc); |
|
1304 |
return XML_TOK_DATA_NEWLINE; |
|
1305 |
} |
|
1306 |
*nextTokPtr = ptr; |
|
1307 |
return XML_TOK_DATA_CHARS; |
|
1308 |
case BT_CR: |
|
1309 |
if (ptr == start) { |
|
1310 |
ptr += MINBPC(enc); |
|
1311 |
if (ptr == end) |
|
1312 |
return XML_TOK_TRAILING_CR; |
|
1313 |
if (BYTE_TYPE(enc, ptr) == BT_LF) |
|
1314 |
ptr += MINBPC(enc); |
|
1315 |
*nextTokPtr = ptr; |
|
1316 |
return XML_TOK_DATA_NEWLINE; |
|
1317 |
} |
|
1318 |
*nextTokPtr = ptr; |
|
1319 |
return XML_TOK_DATA_CHARS; |
|
1320 |
default: |
|
1321 |
ptr += MINBPC(enc); |
|
1322 |
break; |
|
1323 |
} |
|
1324 |
} |
|
1325 |
*nextTokPtr = ptr; |
|
1326 |
return XML_TOK_DATA_CHARS; |
|
1327 |
} |
|
1328 |
||
1329 |
static |
|
1330 |
int PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end, |
|
1331 |
const char **badPtr) |
|
1332 |
{ |
|
1333 |
ptr += MINBPC(enc); |
|
1334 |
end -= MINBPC(enc); |
|
1335 |
for (; ptr != end; ptr += MINBPC(enc)) { |
|
1336 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1337 |
case BT_DIGIT: |
|
1338 |
case BT_HEX: |
|
1339 |
case BT_MINUS: |
|
1340 |
case BT_APOS: |
|
1341 |
case BT_LPAR: |
|
1342 |
case BT_RPAR: |
|
1343 |
case BT_PLUS: |
|
1344 |
case BT_COMMA: |
|
1345 |
case BT_SOL: |
|
1346 |
case BT_EQUALS: |
|
1347 |
case BT_QUEST: |
|
1348 |
case BT_CR: |
|
1349 |
case BT_LF: |
|
1350 |
case BT_SEMI: |
|
1351 |
case BT_EXCL: |
|
1352 |
case BT_AST: |
|
1353 |
case BT_PERCNT: |
|
1354 |
case BT_NUM: |
|
1355 |
#ifdef XML_NS |
|
1356 |
case BT_COLON: |
|
1357 |
#endif |
|
1358 |
break; |
|
1359 |
case BT_S: |
|
1360 |
if (CHAR_MATCHES(enc, ptr, '\t')) { |
|
1361 |
*badPtr = ptr; |
|
1362 |
return 0; |
|
1363 |
} |
|
1364 |
break; |
|
1365 |
case BT_NAME: |
|
1366 |
case BT_NMSTRT: |
|
1367 |
if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f)) |
|
1368 |
break; |
|
1369 |
default: |
|
1370 |
switch (BYTE_TO_ASCII(enc, ptr)) { |
|
1371 |
case 0x24: /* $ */ |
|
1372 |
case 0x40: /* @ */ |
|
1373 |
break; |
|
1374 |
default: |
|
1375 |
*badPtr = ptr; |
|
1376 |
return 0; |
|
1377 |
} |
|
1378 |
break; |
|
1379 |
} |
|
1380 |
} |
|
1381 |
return 1; |
|
1382 |
} |
|
1383 |
||
1384 |
/* This must only be called for a well-formed start-tag or empty element tag. |
|
1385 |
Returns the number of attributes. Pointers to the first attsMax attributes |
|
1386 |
are stored in atts. */ |
|
1387 |
||
1388 |
static |
|
1389 |
int PREFIX(getAtts)(const ENCODING *enc, const char *ptr, |
|
1390 |
int attsMax, ATTRIBUTE *atts) |
|
1391 |
{ |
|
1392 |
enum { other, inName, inValue } state = inName; |
|
1393 |
int nAtts = 0; |
|
|
348
f50d8b8c512b
libjabber: `open' could be used uninitialized in xmltok_impl_c.h
Mikael Berthe <mikael@lilotux.net>
parents:
25
diff
changeset
|
1394 |
int open = 0; |
| 25 | 1395 |
|
1396 |
for (ptr += MINBPC(enc);; ptr += MINBPC(enc)) { |
|
1397 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1398 |
#define START_NAME \ |
|
1399 |
if (state == other) { \ |
|
1400 |
if (nAtts < attsMax) { \ |
|
1401 |
atts[nAtts].name = ptr; \ |
|
1402 |
atts[nAtts].normalized = 1; \ |
|
1403 |
} \ |
|
1404 |
state = inName; \ |
|
1405 |
} |
|
1406 |
#define LEAD_CASE(n) \ |
|
1407 |
case BT_LEAD ## n: START_NAME ptr += (n - MINBPC(enc)); break; |
|
1408 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1409 |
#undef LEAD_CASE |
|
1410 |
case BT_NONASCII: |
|
1411 |
case BT_NMSTRT: |
|
1412 |
case BT_HEX: |
|
1413 |
START_NAME |
|
1414 |
break; |
|
1415 |
#undef START_NAME |
|
1416 |
case BT_QUOT: |
|
1417 |
if (state != inValue) { |
|
1418 |
if (nAtts < attsMax) |
|
1419 |
atts[nAtts].valuePtr = ptr + MINBPC(enc); |
|
1420 |
state = inValue; |
|
1421 |
open = BT_QUOT; |
|
1422 |
} |
|
1423 |
else if (open == BT_QUOT) { |
|
1424 |
state = other; |
|
1425 |
if (nAtts < attsMax) |
|
1426 |
atts[nAtts].valueEnd = ptr; |
|
1427 |
nAtts++; |
|
1428 |
} |
|
1429 |
break; |
|
1430 |
case BT_APOS: |
|
1431 |
if (state != inValue) { |
|
1432 |
if (nAtts < attsMax) |
|
1433 |
atts[nAtts].valuePtr = ptr + MINBPC(enc); |
|
1434 |
state = inValue; |
|
1435 |
open = BT_APOS; |
|
1436 |
} |
|
1437 |
else if (open == BT_APOS) { |
|
1438 |
state = other; |
|
1439 |
if (nAtts < attsMax) |
|
1440 |
atts[nAtts].valueEnd = ptr; |
|
1441 |
nAtts++; |
|
1442 |
} |
|
1443 |
break; |
|
1444 |
case BT_AMP: |
|
1445 |
if (nAtts < attsMax) |
|
1446 |
atts[nAtts].normalized = 0; |
|
1447 |
break; |
|
1448 |
case BT_S: |
|
1449 |
if (state == inName) |
|
1450 |
state = other; |
|
1451 |
else if (state == inValue |
|
1452 |
&& nAtts < attsMax |
|
1453 |
&& atts[nAtts].normalized |
|
1454 |
&& (ptr == atts[nAtts].valuePtr |
|
1455 |
|| BYTE_TO_ASCII(enc, ptr) != ' ' |
|
1456 |
|| BYTE_TO_ASCII(enc, ptr + MINBPC(enc)) == ' ' |
|
1457 |
|| BYTE_TYPE(enc, ptr + MINBPC(enc)) == open)) |
|
1458 |
atts[nAtts].normalized = 0; |
|
1459 |
break; |
|
1460 |
case BT_CR: case BT_LF: |
|
1461 |
/* This case ensures that the first attribute name is counted |
|
1462 |
Apart from that we could just change state on the quote. */ |
|
1463 |
if (state == inName) |
|
1464 |
state = other; |
|
1465 |
else if (state == inValue && nAtts < attsMax) |
|
1466 |
atts[nAtts].normalized = 0; |
|
1467 |
break; |
|
1468 |
case BT_GT: |
|
1469 |
case BT_SOL: |
|
1470 |
if (state != inValue) |
|
1471 |
return nAtts; |
|
1472 |
break; |
|
1473 |
default: |
|
1474 |
break; |
|
1475 |
} |
|
1476 |
} |
|
1477 |
/* not reached */ |
|
1478 |
} |
|
1479 |
||
1480 |
static |
|
1481 |
int PREFIX(charRefNumber)(const ENCODING *enc, const char *ptr) |
|
1482 |
{ |
|
1483 |
int result = 0; |
|
1484 |
/* skip &# */ |
|
1485 |
ptr += 2*MINBPC(enc); |
|
1486 |
if (CHAR_MATCHES(enc, ptr, 'x')) { |
|
1487 |
for (ptr += MINBPC(enc); !CHAR_MATCHES(enc, ptr, ';'); ptr += MINBPC(enc)) { |
|
1488 |
int c = BYTE_TO_ASCII(enc, ptr); |
|
1489 |
switch (c) { |
|
1490 |
case '0': case '1': case '2': case '3': case '4': |
|
1491 |
case '5': case '6': case '7': case '8': case '9': |
|
1492 |
result <<= 4; |
|
1493 |
result |= (c - '0'); |
|
1494 |
break; |
|
1495 |
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
|
1496 |
result <<= 4; |
|
1497 |
result += 10 + (c - 'A'); |
|
1498 |
break; |
|
1499 |
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
|
1500 |
result <<= 4; |
|
1501 |
result += 10 + (c - 'a'); |
|
1502 |
break; |
|
1503 |
} |
|
1504 |
if (result >= 0x110000) |
|
1505 |
return -1; |
|
1506 |
} |
|
1507 |
} |
|
1508 |
else { |
|
1509 |
for (; !CHAR_MATCHES(enc, ptr, ';'); ptr += MINBPC(enc)) { |
|
1510 |
int c = BYTE_TO_ASCII(enc, ptr); |
|
1511 |
result *= 10; |
|
1512 |
result += (c - '0'); |
|
1513 |
if (result >= 0x110000) |
|
1514 |
return -1; |
|
1515 |
} |
|
1516 |
} |
|
1517 |
return checkCharRefNumber(result); |
|
1518 |
} |
|
1519 |
||
1520 |
static |
|
1521 |
int PREFIX(predefinedEntityName)(const ENCODING *enc, const char *ptr, const char *end) |
|
1522 |
{ |
|
1523 |
switch ((end - ptr)/MINBPC(enc)) { |
|
1524 |
case 2: |
|
1525 |
if (CHAR_MATCHES(enc, ptr + MINBPC(enc), 't')) { |
|
1526 |
switch (BYTE_TO_ASCII(enc, ptr)) { |
|
1527 |
case 'l': |
|
1528 |
return '<'; |
|
1529 |
case 'g': |
|
1530 |
return '>'; |
|
1531 |
} |
|
1532 |
} |
|
1533 |
break; |
|
1534 |
case 3: |
|
1535 |
if (CHAR_MATCHES(enc, ptr, 'a')) { |
|
1536 |
ptr += MINBPC(enc); |
|
1537 |
if (CHAR_MATCHES(enc, ptr, 'm')) { |
|
1538 |
ptr += MINBPC(enc); |
|
1539 |
if (CHAR_MATCHES(enc, ptr, 'p')) |
|
1540 |
return '&'; |
|
1541 |
} |
|
1542 |
} |
|
1543 |
break; |
|
1544 |
case 4: |
|
1545 |
switch (BYTE_TO_ASCII(enc, ptr)) { |
|
1546 |
case 'q': |
|
1547 |
ptr += MINBPC(enc); |
|
1548 |
if (CHAR_MATCHES(enc, ptr, 'u')) { |
|
1549 |
ptr += MINBPC(enc); |
|
1550 |
if (CHAR_MATCHES(enc, ptr, 'o')) { |
|
1551 |
ptr += MINBPC(enc); |
|
1552 |
if (CHAR_MATCHES(enc, ptr, 't')) |
|
1553 |
return '"'; |
|
1554 |
} |
|
1555 |
} |
|
1556 |
break; |
|
1557 |
case 'a': |
|
1558 |
ptr += MINBPC(enc); |
|
1559 |
if (CHAR_MATCHES(enc, ptr, 'p')) { |
|
1560 |
ptr += MINBPC(enc); |
|
1561 |
if (CHAR_MATCHES(enc, ptr, 'o')) { |
|
1562 |
ptr += MINBPC(enc); |
|
1563 |
if (CHAR_MATCHES(enc, ptr, 's')) |
|
1564 |
return '\''; |
|
1565 |
} |
|
1566 |
} |
|
1567 |
break; |
|
1568 |
} |
|
1569 |
} |
|
1570 |
return 0; |
|
1571 |
} |
|
1572 |
||
1573 |
static |
|
1574 |
int PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2) |
|
1575 |
{ |
|
1576 |
for (;;) { |
|
1577 |
switch (BYTE_TYPE(enc, ptr1)) { |
|
1578 |
#define LEAD_CASE(n) \ |
|
1579 |
case BT_LEAD ## n: \ |
|
1580 |
if (*ptr1++ != *ptr2++) \ |
|
1581 |
return 0; |
|
1582 |
LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2) |
|
1583 |
#undef LEAD_CASE |
|
1584 |
/* fall through */ |
|
1585 |
if (*ptr1++ != *ptr2++) |
|
1586 |
return 0; |
|
1587 |
break; |
|
1588 |
case BT_NONASCII: |
|
1589 |
case BT_NMSTRT: |
|
1590 |
#ifdef XML_NS |
|
1591 |
case BT_COLON: |
|
1592 |
#endif |
|
1593 |
case BT_HEX: |
|
1594 |
case BT_DIGIT: |
|
1595 |
case BT_NAME: |
|
1596 |
case BT_MINUS: |
|
1597 |
if (*ptr2++ != *ptr1++) |
|
1598 |
return 0; |
|
1599 |
if (MINBPC(enc) > 1) { |
|
1600 |
if (*ptr2++ != *ptr1++) |
|
1601 |
return 0; |
|
1602 |
if (MINBPC(enc) > 2) { |
|
1603 |
if (*ptr2++ != *ptr1++) |
|
1604 |
return 0; |
|
1605 |
if (MINBPC(enc) > 3) { |
|
1606 |
if (*ptr2++ != *ptr1++) |
|
1607 |
return 0; |
|
1608 |
} |
|
1609 |
} |
|
1610 |
} |
|
1611 |
break; |
|
1612 |
default: |
|
1613 |
if (MINBPC(enc) == 1 && *ptr1 == *ptr2) |
|
1614 |
return 1; |
|
1615 |
switch (BYTE_TYPE(enc, ptr2)) { |
|
1616 |
case BT_LEAD2: |
|
1617 |
case BT_LEAD3: |
|
1618 |
case BT_LEAD4: |
|
1619 |
case BT_NONASCII: |
|
1620 |
case BT_NMSTRT: |
|
1621 |
#ifdef XML_NS |
|
1622 |
case BT_COLON: |
|
1623 |
#endif |
|
1624 |
case BT_HEX: |
|
1625 |
case BT_DIGIT: |
|
1626 |
case BT_NAME: |
|
1627 |
case BT_MINUS: |
|
1628 |
return 0; |
|
1629 |
default: |
|
1630 |
return 1; |
|
1631 |
} |
|
1632 |
} |
|
1633 |
} |
|
1634 |
/* not reached */ |
|
1635 |
} |
|
1636 |
||
1637 |
static |
|
1638 |
int PREFIX(nameMatchesAscii)(const ENCODING *enc, const char *ptr1, const char *ptr2) |
|
1639 |
{ |
|
1640 |
for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) { |
|
1641 |
if (!CHAR_MATCHES(enc, ptr1, *ptr2)) |
|
1642 |
return 0; |
|
1643 |
} |
|
1644 |
switch (BYTE_TYPE(enc, ptr1)) { |
|
1645 |
case BT_LEAD2: |
|
1646 |
case BT_LEAD3: |
|
1647 |
case BT_LEAD4: |
|
1648 |
case BT_NONASCII: |
|
1649 |
case BT_NMSTRT: |
|
1650 |
#ifdef XML_NS |
|
1651 |
case BT_COLON: |
|
1652 |
#endif |
|
1653 |
case BT_HEX: |
|
1654 |
case BT_DIGIT: |
|
1655 |
case BT_NAME: |
|
1656 |
case BT_MINUS: |
|
1657 |
return 0; |
|
1658 |
default: |
|
1659 |
return 1; |
|
1660 |
} |
|
1661 |
} |
|
1662 |
||
1663 |
static |
|
1664 |
int PREFIX(nameLength)(const ENCODING *enc, const char *ptr) |
|
1665 |
{ |
|
1666 |
const char *start = ptr; |
|
1667 |
for (;;) { |
|
1668 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1669 |
#define LEAD_CASE(n) \ |
|
1670 |
case BT_LEAD ## n: ptr += n; break; |
|
1671 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1672 |
#undef LEAD_CASE |
|
1673 |
case BT_NONASCII: |
|
1674 |
case BT_NMSTRT: |
|
1675 |
#ifdef XML_NS |
|
1676 |
case BT_COLON: |
|
1677 |
#endif |
|
1678 |
case BT_HEX: |
|
1679 |
case BT_DIGIT: |
|
1680 |
case BT_NAME: |
|
1681 |
case BT_MINUS: |
|
1682 |
ptr += MINBPC(enc); |
|
1683 |
break; |
|
1684 |
default: |
|
1685 |
return ptr - start; |
|
1686 |
} |
|
1687 |
} |
|
1688 |
} |
|
1689 |
||
1690 |
static |
|
1691 |
const char *PREFIX(skipS)(const ENCODING *enc, const char *ptr) |
|
1692 |
{ |
|
1693 |
for (;;) { |
|
1694 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1695 |
case BT_LF: |
|
1696 |
case BT_CR: |
|
1697 |
case BT_S: |
|
1698 |
ptr += MINBPC(enc); |
|
1699 |
break; |
|
1700 |
default: |
|
1701 |
return ptr; |
|
1702 |
} |
|
1703 |
} |
|
1704 |
} |
|
1705 |
||
1706 |
static |
|
1707 |
void PREFIX(updatePosition)(const ENCODING *enc, |
|
1708 |
const char *ptr, |
|
1709 |
const char *end, |
|
1710 |
POSITION *pos) |
|
1711 |
{ |
|
1712 |
while (ptr != end) { |
|
1713 |
switch (BYTE_TYPE(enc, ptr)) { |
|
1714 |
#define LEAD_CASE(n) \ |
|
1715 |
case BT_LEAD ## n: \ |
|
1716 |
ptr += n; \ |
|
1717 |
break; |
|
1718 |
LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
|
1719 |
#undef LEAD_CASE |
|
1720 |
case BT_LF: |
|
1721 |
pos->columnNumber = (unsigned)-1; |
|
1722 |
pos->lineNumber++; |
|
1723 |
ptr += MINBPC(enc); |
|
1724 |
break; |
|
1725 |
case BT_CR: |
|
1726 |
pos->lineNumber++; |
|
1727 |
ptr += MINBPC(enc); |
|
1728 |
if (ptr != end && BYTE_TYPE(enc, ptr) == BT_LF) |
|
1729 |
ptr += MINBPC(enc); |
|
1730 |
pos->columnNumber = (unsigned)-1; |
|
1731 |
break; |
|
1732 |
default: |
|
1733 |
ptr += MINBPC(enc); |
|
1734 |
break; |
|
1735 |
} |
|
1736 |
pos->columnNumber++; |
|
1737 |
} |
|
1738 |
} |
|
1739 |
||
1740 |
#undef DO_LEAD_CASE |
|
1741 |
#undef MULTIBYTE_CASES |
|
1742 |
#undef INVALID_CASES |
|
1743 |
#undef CHECK_NAME_CASE |
|
1744 |
#undef CHECK_NAME_CASES |
|
1745 |
#undef CHECK_NMSTRT_CASE |
|
1746 |
#undef CHECK_NMSTRT_CASES |