cpython/Modules/expat/xmlrole.c

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/*
__ __ _
___\ \/ /_ __ __ _| |_
/ _ \\ /| '_ \ / _` | __|
| __// \| |_) | (_| | |_
\___/_/\_\ .__/ \__,_|\__|
|_| XML parser
Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
Copyright (c) 2000 Clark Cooper <coopercc@users.sourceforge.net>
Copyright (c) 2002 Greg Stein <gstein@users.sourceforge.net>
Copyright (c) 2002-2006 Karl Waclawek <karl@waclawek.net>
Copyright (c) 2002-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
Copyright (c) 2005-2009 Steven Solie <steven@solie.ca>
Copyright (c) 2016-2023 Sebastian Pipping <sebastian@pipping.org>
Copyright (c) 2017 Rhodri James <rhodri@wildebeest.org.uk>
Copyright (c) 2019 David Loffredo <loffredo@steptools.com>
Copyright (c) 2021 Donghee Na <donghee.na@python.org>
Licensed under the MIT license:
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
#include "expat_config.h"
#include <stddef.h>
#ifdef _WIN32
# include "winconfig.h"
#endif
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#include "expat_external.h"
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#include "internal.h"
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#include "xmlrole.h"
#include "ascii.h"
/* Doesn't check:
that ,| are not mixed in a model group
content of literals
*/
static const char KW_ANY[] = {ASCII_A, ASCII_N, ASCII_Y, '\0'};
static const char KW_ATTLIST[]
= {ASCII_A, ASCII_T, ASCII_T, ASCII_L, ASCII_I, ASCII_S, ASCII_T, '\0'};
static const char KW_CDATA[]
= {ASCII_C, ASCII_D, ASCII_A, ASCII_T, ASCII_A, '\0'};
static const char KW_DOCTYPE[]
= {ASCII_D, ASCII_O, ASCII_C, ASCII_T, ASCII_Y, ASCII_P, ASCII_E, '\0'};
static const char KW_ELEMENT[]
= {ASCII_E, ASCII_L, ASCII_E, ASCII_M, ASCII_E, ASCII_N, ASCII_T, '\0'};
static const char KW_EMPTY[]
= {ASCII_E, ASCII_M, ASCII_P, ASCII_T, ASCII_Y, '\0'};
static const char KW_ENTITIES[] = {ASCII_E, ASCII_N, ASCII_T, ASCII_I, ASCII_T,
ASCII_I, ASCII_E, ASCII_S, '\0'};
static const char KW_ENTITY[]
= {ASCII_E, ASCII_N, ASCII_T, ASCII_I, ASCII_T, ASCII_Y, '\0'};
static const char KW_FIXED[]
= {ASCII_F, ASCII_I, ASCII_X, ASCII_E, ASCII_D, '\0'};
static const char KW_ID[] = {ASCII_I, ASCII_D, '\0'};
static const char KW_IDREF[]
= {ASCII_I, ASCII_D, ASCII_R, ASCII_E, ASCII_F, '\0'};
static const char KW_IDREFS[]
= {ASCII_I, ASCII_D, ASCII_R, ASCII_E, ASCII_F, ASCII_S, '\0'};
#ifdef XML_DTD
static const char KW_IGNORE[]
= {ASCII_I, ASCII_G, ASCII_N, ASCII_O, ASCII_R, ASCII_E, '\0'};
#endif
static const char KW_IMPLIED[]
= {ASCII_I, ASCII_M, ASCII_P, ASCII_L, ASCII_I, ASCII_E, ASCII_D, '\0'};
#ifdef XML_DTD
static const char KW_INCLUDE[]
= {ASCII_I, ASCII_N, ASCII_C, ASCII_L, ASCII_U, ASCII_D, ASCII_E, '\0'};
#endif
static const char KW_NDATA[]
= {ASCII_N, ASCII_D, ASCII_A, ASCII_T, ASCII_A, '\0'};
static const char KW_NMTOKEN[]
= {ASCII_N, ASCII_M, ASCII_T, ASCII_O, ASCII_K, ASCII_E, ASCII_N, '\0'};
static const char KW_NMTOKENS[] = {ASCII_N, ASCII_M, ASCII_T, ASCII_O, ASCII_K,
ASCII_E, ASCII_N, ASCII_S, '\0'};
static const char KW_NOTATION[] = {ASCII_N, ASCII_O, ASCII_T, ASCII_A, ASCII_T,
ASCII_I, ASCII_O, ASCII_N, '\0'};
static const char KW_PCDATA[]
= {ASCII_P, ASCII_C, ASCII_D, ASCII_A, ASCII_T, ASCII_A, '\0'};
static const char KW_PUBLIC[]
= {ASCII_P, ASCII_U, ASCII_B, ASCII_L, ASCII_I, ASCII_C, '\0'};
static const char KW_REQUIRED[] = {ASCII_R, ASCII_E, ASCII_Q, ASCII_U, ASCII_I,
ASCII_R, ASCII_E, ASCII_D, '\0'};
static const char KW_SYSTEM[]
= {ASCII_S, ASCII_Y, ASCII_S, ASCII_T, ASCII_E, ASCII_M, '\0'};
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#ifndef MIN_BYTES_PER_CHAR
# define MIN_BYTES_PER_CHAR(enc) ((enc)->minBytesPerChar)
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#endif
#ifdef XML_DTD
# define setTopLevel(state) \
((state)->handler \
= ((state)->documentEntity ? internalSubset : externalSubset1))
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#else /* not XML_DTD */
# define setTopLevel(state) ((state)->handler = internalSubset)
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#endif /* not XML_DTD */
typedef int PTRCALL PROLOG_HANDLER(PROLOG_STATE *state, int tok,
const char *ptr, const char *end,
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const ENCODING *enc);
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static PROLOG_HANDLER prolog0, prolog1, prolog2, doctype0, doctype1, doctype2,
doctype3, doctype4, doctype5, internalSubset, entity0, entity1, entity2,
entity3, entity4, entity5, entity6, entity7, entity8, entity9, entity10,
notation0, notation1, notation2, notation3, notation4, attlist0, attlist1,
attlist2, attlist3, attlist4, attlist5, attlist6, attlist7, attlist8,
attlist9, element0, element1, element2, element3, element4, element5,
element6, element7,
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#ifdef XML_DTD
externalSubset0, externalSubset1, condSect0, condSect1, condSect2,
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#endif /* XML_DTD */
declClose, error;
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static int FASTCALL common(PROLOG_STATE *state, int tok);
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static int PTRCALL
prolog0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
state->handler = prolog1;
return XML_ROLE_NONE;
case XML_TOK_XML_DECL:
state->handler = prolog1;
return XML_ROLE_XML_DECL;
case XML_TOK_PI:
state->handler = prolog1;
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return XML_ROLE_PI;
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case XML_TOK_COMMENT:
state->handler = prolog1;
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return XML_ROLE_COMMENT;
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case XML_TOK_BOM:
return XML_ROLE_NONE;
case XML_TOK_DECL_OPEN:
if (! XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
KW_DOCTYPE))
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break;
state->handler = doctype0;
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_INSTANCE_START:
state->handler = error;
return XML_ROLE_INSTANCE_START;
}
return common(state, tok);
}
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static int PTRCALL
prolog1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_PI:
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return XML_ROLE_PI;
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case XML_TOK_COMMENT:
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return XML_ROLE_COMMENT;
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case XML_TOK_BOM:
/* This case can never arise. To reach this role function, the
* parse must have passed through prolog0 and therefore have had
* some form of input, even if only a space. At that point, a
* byte order mark is no longer a valid character (though
* technically it should be interpreted as a non-breaking space),
* so will be rejected by the tokenizing stages.
*/
return XML_ROLE_NONE; /* LCOV_EXCL_LINE */
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case XML_TOK_DECL_OPEN:
if (! XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
KW_DOCTYPE))
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break;
state->handler = doctype0;
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_INSTANCE_START:
state->handler = error;
return XML_ROLE_INSTANCE_START;
}
return common(state, tok);
}
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static int PTRCALL
prolog2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_PI:
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return XML_ROLE_PI;
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case XML_TOK_COMMENT:
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return XML_ROLE_COMMENT;
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case XML_TOK_INSTANCE_START:
state->handler = error;
return XML_ROLE_INSTANCE_START;
}
return common(state, tok);
}
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static int PTRCALL
doctype0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = doctype1;
return XML_ROLE_DOCTYPE_NAME;
}
return common(state, tok);
}
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static int PTRCALL
doctype1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_OPEN_BRACKET:
state->handler = internalSubset;
return XML_ROLE_DOCTYPE_INTERNAL_SUBSET;
case XML_TOK_DECL_CLOSE:
state->handler = prolog2;
return XML_ROLE_DOCTYPE_CLOSE;
case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
state->handler = doctype3;
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return XML_ROLE_DOCTYPE_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
state->handler = doctype2;
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return XML_ROLE_DOCTYPE_NONE;
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}
break;
}
return common(state, tok);
}
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static int PTRCALL
doctype2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_LITERAL:
state->handler = doctype3;
return XML_ROLE_DOCTYPE_PUBLIC_ID;
}
return common(state, tok);
}
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static int PTRCALL
doctype3(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_LITERAL:
state->handler = doctype4;
return XML_ROLE_DOCTYPE_SYSTEM_ID;
}
return common(state, tok);
}
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static int PTRCALL
doctype4(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_OPEN_BRACKET:
state->handler = internalSubset;
return XML_ROLE_DOCTYPE_INTERNAL_SUBSET;
case XML_TOK_DECL_CLOSE:
state->handler = prolog2;
return XML_ROLE_DOCTYPE_CLOSE;
}
return common(state, tok);
}
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static int PTRCALL
doctype5(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_DECL_CLOSE:
state->handler = prolog2;
return XML_ROLE_DOCTYPE_CLOSE;
}
return common(state, tok);
}
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static int PTRCALL
internalSubset(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_DECL_OPEN:
if (XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
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KW_ENTITY)) {
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state->handler = entity0;
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return XML_ROLE_ENTITY_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
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KW_ATTLIST)) {
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state->handler = attlist0;
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return XML_ROLE_ATTLIST_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
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KW_ELEMENT)) {
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state->handler = element0;
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return XML_ROLE_ELEMENT_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr + 2 * MIN_BYTES_PER_CHAR(enc), end,
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KW_NOTATION)) {
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state->handler = notation0;
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return XML_ROLE_NOTATION_NONE;
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}
break;
case XML_TOK_PI:
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return XML_ROLE_PI;
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case XML_TOK_COMMENT:
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return XML_ROLE_COMMENT;
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case XML_TOK_PARAM_ENTITY_REF:
return XML_ROLE_PARAM_ENTITY_REF;
case XML_TOK_CLOSE_BRACKET:
state->handler = doctype5;
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return XML_ROLE_DOCTYPE_NONE;
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case XML_TOK_NONE:
return XML_ROLE_NONE;
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}
return common(state, tok);
}
#ifdef XML_DTD
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static int PTRCALL
externalSubset0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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state->handler = externalSubset1;
if (tok == XML_TOK_XML_DECL)
return XML_ROLE_TEXT_DECL;
return externalSubset1(state, tok, ptr, end, enc);
}
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static int PTRCALL
externalSubset1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_COND_SECT_OPEN:
state->handler = condSect0;
return XML_ROLE_NONE;
case XML_TOK_COND_SECT_CLOSE:
if (state->includeLevel == 0)
break;
state->includeLevel -= 1;
return XML_ROLE_NONE;
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_CLOSE_BRACKET:
break;
case XML_TOK_NONE:
if (state->includeLevel)
break;
return XML_ROLE_NONE;
default:
return internalSubset(state, tok, ptr, end, enc);
}
return common(state, tok);
}
#endif /* XML_DTD */
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static int PTRCALL
entity0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_PERCENT:
state->handler = entity1;
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_NAME:
state->handler = entity2;
return XML_ROLE_GENERAL_ENTITY_NAME;
}
return common(state, tok);
}
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static int PTRCALL
entity1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_NAME:
state->handler = entity7;
return XML_ROLE_PARAM_ENTITY_NAME;
}
return common(state, tok);
}
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static int PTRCALL
entity2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
state->handler = entity4;
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return XML_ROLE_ENTITY_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
state->handler = entity3;
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return XML_ROLE_ENTITY_NONE;
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}
break;
case XML_TOK_LITERAL:
state->handler = declClose;
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state->role_none = XML_ROLE_ENTITY_NONE;
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return XML_ROLE_ENTITY_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
entity3(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_LITERAL:
state->handler = entity4;
return XML_ROLE_ENTITY_PUBLIC_ID;
}
return common(state, tok);
}
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static int PTRCALL
entity4(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_LITERAL:
state->handler = entity5;
return XML_ROLE_ENTITY_SYSTEM_ID;
}
return common(state, tok);
}
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static int PTRCALL
entity5(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_DECL_CLOSE:
setTopLevel(state);
return XML_ROLE_ENTITY_COMPLETE;
case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_NDATA)) {
state->handler = entity6;
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return XML_ROLE_ENTITY_NONE;
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}
break;
}
return common(state, tok);
}
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static int PTRCALL
entity6(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_NAME:
state->handler = declClose;
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state->role_none = XML_ROLE_ENTITY_NONE;
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return XML_ROLE_ENTITY_NOTATION_NAME;
}
return common(state, tok);
}
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static int PTRCALL
entity7(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
state->handler = entity9;
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return XML_ROLE_ENTITY_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
state->handler = entity8;
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return XML_ROLE_ENTITY_NONE;
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}
break;
case XML_TOK_LITERAL:
state->handler = declClose;
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state->role_none = XML_ROLE_ENTITY_NONE;
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return XML_ROLE_ENTITY_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
entity8(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_LITERAL:
state->handler = entity9;
return XML_ROLE_ENTITY_PUBLIC_ID;
}
return common(state, tok);
}
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static int PTRCALL
entity9(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
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case XML_TOK_LITERAL:
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state->handler = entity10;
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return XML_ROLE_ENTITY_SYSTEM_ID;
}
return common(state, tok);
}
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static int PTRCALL
entity10(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ENTITY_NONE;
case XML_TOK_DECL_CLOSE:
setTopLevel(state);
return XML_ROLE_ENTITY_COMPLETE;
}
return common(state, tok);
}
static int PTRCALL
notation0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NOTATION_NONE;
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case XML_TOK_NAME:
state->handler = notation1;
return XML_ROLE_NOTATION_NAME;
}
return common(state, tok);
}
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static int PTRCALL
notation1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_NOTATION_NONE;
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case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
state->handler = notation3;
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return XML_ROLE_NOTATION_NONE;
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}
if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
state->handler = notation2;
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return XML_ROLE_NOTATION_NONE;
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}
break;
}
return common(state, tok);
}
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static int PTRCALL
notation2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_NOTATION_NONE;
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case XML_TOK_LITERAL:
state->handler = notation4;
return XML_ROLE_NOTATION_PUBLIC_ID;
}
return common(state, tok);
}
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static int PTRCALL
notation3(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_NOTATION_NONE;
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case XML_TOK_LITERAL:
state->handler = declClose;
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state->role_none = XML_ROLE_NOTATION_NONE;
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return XML_ROLE_NOTATION_SYSTEM_ID;
}
return common(state, tok);
}
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static int PTRCALL
notation4(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_NOTATION_NONE;
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case XML_TOK_LITERAL:
state->handler = declClose;
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state->role_none = XML_ROLE_NOTATION_NONE;
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return XML_ROLE_NOTATION_SYSTEM_ID;
case XML_TOK_DECL_CLOSE:
setTopLevel(state);
return XML_ROLE_NOTATION_NO_SYSTEM_ID;
}
return common(state, tok);
}
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static int PTRCALL
attlist0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = attlist1;
return XML_ROLE_ATTLIST_ELEMENT_NAME;
}
return common(state, tok);
}
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static int PTRCALL
attlist1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_DECL_CLOSE:
setTopLevel(state);
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = attlist2;
return XML_ROLE_ATTRIBUTE_NAME;
}
return common(state, tok);
}
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static int PTRCALL
attlist2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
case XML_TOK_NAME: {
static const char *const types[] = {
KW_CDATA, KW_ID, KW_IDREF, KW_IDREFS,
KW_ENTITY, KW_ENTITIES, KW_NMTOKEN, KW_NMTOKENS,
};
int i;
for (i = 0; i < (int)(sizeof(types) / sizeof(types[0])); i++)
if (XmlNameMatchesAscii(enc, ptr, end, types[i])) {
state->handler = attlist8;
return XML_ROLE_ATTRIBUTE_TYPE_CDATA + i;
}
}
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if (XmlNameMatchesAscii(enc, ptr, end, KW_NOTATION)) {
state->handler = attlist5;
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return XML_ROLE_ATTLIST_NONE;
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}
break;
case XML_TOK_OPEN_PAREN:
state->handler = attlist3;
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return XML_ROLE_ATTLIST_NONE;
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}
return common(state, tok);
}
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static int PTRCALL
attlist3(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_NMTOKEN:
case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = attlist4;
return XML_ROLE_ATTRIBUTE_ENUM_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
attlist4(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_CLOSE_PAREN:
state->handler = attlist8;
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_OR:
state->handler = attlist3;
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return XML_ROLE_ATTLIST_NONE;
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}
return common(state, tok);
}
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static int PTRCALL
attlist5(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_OPEN_PAREN:
state->handler = attlist6;
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return XML_ROLE_ATTLIST_NONE;
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}
return common(state, tok);
}
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static int PTRCALL
attlist6(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_NAME:
state->handler = attlist7;
return XML_ROLE_ATTRIBUTE_NOTATION_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
attlist7(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_CLOSE_PAREN:
state->handler = attlist8;
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_OR:
state->handler = attlist6;
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return XML_ROLE_ATTLIST_NONE;
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}
return common(state, tok);
}
/* default value */
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static int PTRCALL
attlist8(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_POUND_NAME:
if (XmlNameMatchesAscii(enc, ptr + MIN_BYTES_PER_CHAR(enc), end,
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KW_IMPLIED)) {
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state->handler = attlist1;
return XML_ROLE_IMPLIED_ATTRIBUTE_VALUE;
}
if (XmlNameMatchesAscii(enc, ptr + MIN_BYTES_PER_CHAR(enc), end,
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KW_REQUIRED)) {
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state->handler = attlist1;
return XML_ROLE_REQUIRED_ATTRIBUTE_VALUE;
}
if (XmlNameMatchesAscii(enc, ptr + MIN_BYTES_PER_CHAR(enc), end,
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KW_FIXED)) {
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state->handler = attlist9;
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return XML_ROLE_ATTLIST_NONE;
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}
break;
case XML_TOK_LITERAL:
state->handler = attlist1;
return XML_ROLE_DEFAULT_ATTRIBUTE_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
attlist9(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ATTLIST_NONE;
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case XML_TOK_LITERAL:
state->handler = attlist1;
return XML_ROLE_FIXED_ATTRIBUTE_VALUE;
}
return common(state, tok);
}
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static int PTRCALL
element0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = element1;
return XML_ROLE_ELEMENT_NAME;
}
return common(state, tok);
}
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static int PTRCALL
element1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_EMPTY)) {
state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
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return XML_ROLE_CONTENT_EMPTY;
}
if (XmlNameMatchesAscii(enc, ptr, end, KW_ANY)) {
state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
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return XML_ROLE_CONTENT_ANY;
}
break;
case XML_TOK_OPEN_PAREN:
state->handler = element2;
state->level = 1;
return XML_ROLE_GROUP_OPEN;
}
return common(state, tok);
}
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static int PTRCALL
element2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_POUND_NAME:
if (XmlNameMatchesAscii(enc, ptr + MIN_BYTES_PER_CHAR(enc), end,
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KW_PCDATA)) {
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state->handler = element3;
return XML_ROLE_CONTENT_PCDATA;
}
break;
case XML_TOK_OPEN_PAREN:
state->level = 2;
state->handler = element6;
return XML_ROLE_GROUP_OPEN;
case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT;
case XML_TOK_NAME_QUESTION:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_OPT;
case XML_TOK_NAME_ASTERISK:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_REP;
case XML_TOK_NAME_PLUS:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_PLUS;
}
return common(state, tok);
}
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static int PTRCALL
element3(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_CLOSE_PAREN:
state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
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return XML_ROLE_GROUP_CLOSE;
case XML_TOK_CLOSE_PAREN_ASTERISK:
state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
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return XML_ROLE_GROUP_CLOSE_REP;
case XML_TOK_OR:
state->handler = element4;
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return XML_ROLE_ELEMENT_NONE;
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}
return common(state, tok);
}
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static int PTRCALL
element4(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = element5;
return XML_ROLE_CONTENT_ELEMENT;
}
return common(state, tok);
}
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static int PTRCALL
element5(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_CLOSE_PAREN_ASTERISK:
state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
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return XML_ROLE_GROUP_CLOSE_REP;
case XML_TOK_OR:
state->handler = element4;
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return XML_ROLE_ELEMENT_NONE;
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}
return common(state, tok);
}
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static int PTRCALL
element6(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_OPEN_PAREN:
state->level += 1;
return XML_ROLE_GROUP_OPEN;
case XML_TOK_NAME:
case XML_TOK_PREFIXED_NAME:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT;
case XML_TOK_NAME_QUESTION:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_OPT;
case XML_TOK_NAME_ASTERISK:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_REP;
case XML_TOK_NAME_PLUS:
state->handler = element7;
return XML_ROLE_CONTENT_ELEMENT_PLUS;
}
return common(state, tok);
}
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static int PTRCALL
element7(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return XML_ROLE_ELEMENT_NONE;
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case XML_TOK_CLOSE_PAREN:
state->level -= 1;
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if (state->level == 0) {
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state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
}
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return XML_ROLE_GROUP_CLOSE;
case XML_TOK_CLOSE_PAREN_ASTERISK:
state->level -= 1;
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if (state->level == 0) {
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state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
}
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return XML_ROLE_GROUP_CLOSE_REP;
case XML_TOK_CLOSE_PAREN_QUESTION:
state->level -= 1;
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if (state->level == 0) {
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state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
}
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return XML_ROLE_GROUP_CLOSE_OPT;
case XML_TOK_CLOSE_PAREN_PLUS:
state->level -= 1;
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if (state->level == 0) {
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state->handler = declClose;
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state->role_none = XML_ROLE_ELEMENT_NONE;
}
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return XML_ROLE_GROUP_CLOSE_PLUS;
case XML_TOK_COMMA:
state->handler = element6;
return XML_ROLE_GROUP_SEQUENCE;
case XML_TOK_OR:
state->handler = element6;
return XML_ROLE_GROUP_CHOICE;
}
return common(state, tok);
}
#ifdef XML_DTD
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static int PTRCALL
condSect0(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_NAME:
if (XmlNameMatchesAscii(enc, ptr, end, KW_INCLUDE)) {
state->handler = condSect1;
return XML_ROLE_NONE;
}
if (XmlNameMatchesAscii(enc, ptr, end, KW_IGNORE)) {
state->handler = condSect2;
return XML_ROLE_NONE;
}
break;
}
return common(state, tok);
}
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static int PTRCALL
condSect1(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_OPEN_BRACKET:
state->handler = externalSubset1;
state->includeLevel += 1;
return XML_ROLE_NONE;
}
return common(state, tok);
}
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static int PTRCALL
condSect2(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
return XML_ROLE_NONE;
case XML_TOK_OPEN_BRACKET:
state->handler = externalSubset1;
return XML_ROLE_IGNORE_SECT;
}
return common(state, tok);
}
#endif /* XML_DTD */
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static int PTRCALL
declClose(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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switch (tok) {
case XML_TOK_PROLOG_S:
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return state->role_none;
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case XML_TOK_DECL_CLOSE:
setTopLevel(state);
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return state->role_none;
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}
return common(state, tok);
}
/* This function will only be invoked if the internal logic of the
* parser has broken down. It is used in two cases:
*
* 1: When the XML prolog has been finished. At this point the
* processor (the parser level above these role handlers) should
* switch from prologProcessor to contentProcessor and reinitialise
* the handler function.
*
* 2: When an error has been detected (via common() below). At this
* point again the processor should be switched to errorProcessor,
* which will never call a handler.
*
* The result of this is that error() can only be called if the
* processor switch failed to happen, which is an internal error and
* therefore we shouldn't be able to provoke it simply by using the
* library. It is a necessary backstop, however, so we merely exclude
* it from the coverage statistics.
*
* LCOV_EXCL_START
*/
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static int PTRCALL
error(PROLOG_STATE *state, int tok, const char *ptr, const char *end,
const ENCODING *enc) {
UNUSED_P(state);
UNUSED_P(tok);
UNUSED_P(ptr);
UNUSED_P(end);
UNUSED_P(enc);
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return XML_ROLE_NONE;
}
/* LCOV_EXCL_STOP */
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static int FASTCALL
common(PROLOG_STATE *state, int tok) {
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#ifdef XML_DTD
if (! state->documentEntity && tok == XML_TOK_PARAM_ENTITY_REF)
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return XML_ROLE_INNER_PARAM_ENTITY_REF;
#else
UNUSED_P(tok);
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#endif
state->handler = error;
return XML_ROLE_ERROR;
}
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void
XmlPrologStateInit(PROLOG_STATE *state) {
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state->handler = prolog0;
#ifdef XML_DTD
state->documentEntity = 1;
state->includeLevel = 0;
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state->inEntityValue = 0;
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#endif /* XML_DTD */
}
#ifdef XML_DTD
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void
XmlPrologStateInitExternalEntity(PROLOG_STATE *state) {
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state->handler = externalSubset0;
state->documentEntity = 0;
state->includeLevel = 0;
}
#endif /* XML_DTD */