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xmlrole.c

/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
   See the file COPYING for copying permission.
*/

#include <stddef.h>

#ifdef COMPILED_FROM_DSP
#include "winconfig.h"
#elif defined(MACOS_CLASSIC)
#include "macconfig.h"
#elif defined(__amigaos4__)
#include "amigaconfig.h"
#else
#ifdef HAVE_EXPAT_CONFIG_H
#include "expat_config.h"
#endif
#endif /* ndef COMPILED_FROM_DSP */

#include "Poco/XML/expat_external.h"
#include "internal.h"
#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' };
static const char KW_IGNORE[] = {
    ASCII_I, ASCII_G, ASCII_N, ASCII_O, ASCII_R, ASCII_E, '\0' };
static const char KW_IMPLIED[] = {
    ASCII_I, ASCII_M, ASCII_P, ASCII_L, ASCII_I, ASCII_E, ASCII_D, '\0' };
static const char KW_INCLUDE[] = {
    ASCII_I, ASCII_N, ASCII_C, ASCII_L, ASCII_U, ASCII_D, ASCII_E, '\0' };
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' };

#ifndef MIN_BYTES_PER_CHAR
#define MIN_BYTES_PER_CHAR(enc) ((enc)->minBytesPerChar)
#endif

#ifdef XML_DTD
#define setTopLevel(state) \
  ((state)->handler = ((state)->documentEntity \
                       ? internalSubset \
                       : externalSubset1))
#else /* not XML_DTD */
#define setTopLevel(state) ((state)->handler = internalSubset)
#endif /* not XML_DTD */

typedef int PTRCALL PROLOG_HANDLER(PROLOG_STATE *state,
                                   int tok,
                                   const char *ptr,
                                   const char *end,
                                   const ENCODING *enc);

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,
#ifdef XML_DTD
  externalSubset0, externalSubset1,
  condSect0, condSect1, condSect2,
#endif /* XML_DTD */
  declClose,
  error;

static int FASTCALL common(PROLOG_STATE *state, int tok);

static int PTRCALL
prolog0(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  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;
    return XML_ROLE_PI;
  case XML_TOK_COMMENT:
    state->handler = prolog1;
    return XML_ROLE_COMMENT;
  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))
      break;
    state->handler = doctype0;
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_INSTANCE_START:
    state->handler = error;
    return XML_ROLE_INSTANCE_START;
  }
  return common(state, tok);
}

static int PTRCALL
prolog1(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NONE;
  case XML_TOK_PI:
    return XML_ROLE_PI;
  case XML_TOK_COMMENT:
    return XML_ROLE_COMMENT;
  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))
      break;
    state->handler = doctype0;
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_INSTANCE_START:
    state->handler = error;
    return XML_ROLE_INSTANCE_START;
  }
  return common(state, tok);
}

static int PTRCALL
prolog2(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NONE;
  case XML_TOK_PI:
    return XML_ROLE_PI;
  case XML_TOK_COMMENT:
    return XML_ROLE_COMMENT;
  case XML_TOK_INSTANCE_START:
    state->handler = error;
    return XML_ROLE_INSTANCE_START;
  }
  return common(state, tok);
}

static int PTRCALL
doctype0(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_NAME:
  case XML_TOK_PREFIXED_NAME:
    state->handler = doctype1;
    return XML_ROLE_DOCTYPE_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
doctype1(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  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;
      return XML_ROLE_DOCTYPE_NONE;
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
      state->handler = doctype2;
      return XML_ROLE_DOCTYPE_NONE;
    }
    break;
  }
  return common(state, tok);
}

static int PTRCALL
doctype2(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_LITERAL:
    state->handler = doctype3;
    return XML_ROLE_DOCTYPE_PUBLIC_ID;
  }
  return common(state, tok);
}

static int PTRCALL
doctype3(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_LITERAL:
    state->handler = doctype4;
    return XML_ROLE_DOCTYPE_SYSTEM_ID;
  }
  return common(state, tok);
}

static int PTRCALL
doctype4(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  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);
}

static int PTRCALL
doctype5(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_DECL_CLOSE:
    state->handler = prolog2;
    return XML_ROLE_DOCTYPE_CLOSE;
  }
  return common(state, tok);
}

static int PTRCALL
internalSubset(PROLOG_STATE *state,
               int tok,
               const char *ptr,
               const char *end,
               const ENCODING *enc)
{
  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,
                            KW_ENTITY)) {
      state->handler = entity0;
      return XML_ROLE_ENTITY_NONE;
    }
    if (XmlNameMatchesAscii(enc,
                            ptr + 2 * MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_ATTLIST)) {
      state->handler = attlist0;
      return XML_ROLE_ATTLIST_NONE;
    }
    if (XmlNameMatchesAscii(enc,
                            ptr + 2 * MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_ELEMENT)) {
      state->handler = element0;
      return XML_ROLE_ELEMENT_NONE;
    }
    if (XmlNameMatchesAscii(enc,
                            ptr + 2 * MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_NOTATION)) {
      state->handler = notation0;
      return XML_ROLE_NOTATION_NONE;
    }
    break;
  case XML_TOK_PI:
    return XML_ROLE_PI;
  case XML_TOK_COMMENT:
    return XML_ROLE_COMMENT;
  case XML_TOK_PARAM_ENTITY_REF:
    return XML_ROLE_PARAM_ENTITY_REF;
  case XML_TOK_CLOSE_BRACKET:
    state->handler = doctype5;
    return XML_ROLE_DOCTYPE_NONE;
  case XML_TOK_NONE:
    return XML_ROLE_NONE;
  }
  return common(state, tok);
}

#ifdef XML_DTD

static int PTRCALL
externalSubset0(PROLOG_STATE *state,
                int tok,
                const char *ptr,
                const char *end,
                const ENCODING *enc)
{
  state->handler = externalSubset1;
  if (tok == XML_TOK_XML_DECL)
    return XML_ROLE_TEXT_DECL;
  return externalSubset1(state, tok, ptr, end, enc);
}

static int PTRCALL
externalSubset1(PROLOG_STATE *state,
                int tok,
                const char *ptr,
                const char *end,
                const ENCODING *enc)
{
  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 */

static int PTRCALL
entity0(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_PERCENT:
    state->handler = entity1;
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_NAME:
    state->handler = entity2;
    return XML_ROLE_GENERAL_ENTITY_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
entity1(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_NAME:
    state->handler = entity7;
    return XML_ROLE_PARAM_ENTITY_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
entity2(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_NAME:
    if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
      state->handler = entity4;
      return XML_ROLE_ENTITY_NONE;
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
      state->handler = entity3;
      return XML_ROLE_ENTITY_NONE;
    }
    break;
  case XML_TOK_LITERAL:
    state->handler = declClose;
    state->role_none = XML_ROLE_ENTITY_NONE;
    return XML_ROLE_ENTITY_VALUE;
  }
  return common(state, tok);
}

static int PTRCALL
entity3(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_LITERAL:
    state->handler = entity4;
    return XML_ROLE_ENTITY_PUBLIC_ID;
  }
  return common(state, tok);
}

static int PTRCALL
entity4(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_LITERAL:
    state->handler = entity5;
    return XML_ROLE_ENTITY_SYSTEM_ID;
  }
  return common(state, tok);
}

static int PTRCALL
entity5(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  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;
      return XML_ROLE_ENTITY_NONE;
    }
    break;
  }
  return common(state, tok);
}

static int PTRCALL
entity6(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_NAME:
    state->handler = declClose;
    state->role_none = XML_ROLE_ENTITY_NONE;
    return XML_ROLE_ENTITY_NOTATION_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
entity7(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_NAME:
    if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
      state->handler = entity9;
      return XML_ROLE_ENTITY_NONE;
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
      state->handler = entity8;
      return XML_ROLE_ENTITY_NONE;
    }
    break;
  case XML_TOK_LITERAL:
    state->handler = declClose;
    state->role_none = XML_ROLE_ENTITY_NONE;
    return XML_ROLE_ENTITY_VALUE;
  }
  return common(state, tok);
}

static int PTRCALL
entity8(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_LITERAL:
    state->handler = entity9;
    return XML_ROLE_ENTITY_PUBLIC_ID;
  }
  return common(state, tok);
}

static int PTRCALL
entity9(PROLOG_STATE *state,
        int tok,
        const char *ptr,
        const char *end,
        const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ENTITY_NONE;
  case XML_TOK_LITERAL:
    state->handler = entity10;
    return XML_ROLE_ENTITY_SYSTEM_ID;
  }
  return common(state, tok);
}

static int PTRCALL
entity10(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    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)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NOTATION_NONE;
  case XML_TOK_NAME:
    state->handler = notation1;
    return XML_ROLE_NOTATION_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
notation1(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NOTATION_NONE;
  case XML_TOK_NAME:
    if (XmlNameMatchesAscii(enc, ptr, end, KW_SYSTEM)) {
      state->handler = notation3;
      return XML_ROLE_NOTATION_NONE;
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_PUBLIC)) {
      state->handler = notation2;
      return XML_ROLE_NOTATION_NONE;
    }
    break;
  }
  return common(state, tok);
}

static int PTRCALL
notation2(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NOTATION_NONE;
  case XML_TOK_LITERAL:
    state->handler = notation4;
    return XML_ROLE_NOTATION_PUBLIC_ID;
  }
  return common(state, tok);
}

static int PTRCALL
notation3(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NOTATION_NONE;
  case XML_TOK_LITERAL:
    state->handler = declClose;
    state->role_none = XML_ROLE_NOTATION_NONE;
    return XML_ROLE_NOTATION_SYSTEM_ID;
  }
  return common(state, tok);
}

static int PTRCALL
notation4(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_NOTATION_NONE;
  case XML_TOK_LITERAL:
    state->handler = declClose;
    state->role_none = XML_ROLE_NOTATION_NONE;
    return XML_ROLE_NOTATION_SYSTEM_ID;
  case XML_TOK_DECL_CLOSE:
    setTopLevel(state);
    return XML_ROLE_NOTATION_NO_SYSTEM_ID;
  }
  return common(state, tok);
}

static int PTRCALL
attlist0(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_NAME:
  case XML_TOK_PREFIXED_NAME:
    state->handler = attlist1;
    return XML_ROLE_ATTLIST_ELEMENT_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
attlist1(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_DECL_CLOSE:
    setTopLevel(state);
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_NAME:
  case XML_TOK_PREFIXED_NAME:
    state->handler = attlist2;
    return XML_ROLE_ATTRIBUTE_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
attlist2(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    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;
        }
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_NOTATION)) {
      state->handler = attlist5;
      return XML_ROLE_ATTLIST_NONE;
    }
    break;
  case XML_TOK_OPEN_PAREN:
    state->handler = attlist3;
    return XML_ROLE_ATTLIST_NONE;
  }
  return common(state, tok);
}

static int PTRCALL
attlist3(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  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);
}

static int PTRCALL
attlist4(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_CLOSE_PAREN:
    state->handler = attlist8;
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_OR:
    state->handler = attlist3;
    return XML_ROLE_ATTLIST_NONE;
  }
  return common(state, tok);
}

static int PTRCALL
attlist5(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_OPEN_PAREN:
    state->handler = attlist6;
    return XML_ROLE_ATTLIST_NONE;
  }
  return common(state, tok);
}

static int PTRCALL
attlist6(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_NAME:
    state->handler = attlist7;
    return XML_ROLE_ATTRIBUTE_NOTATION_VALUE;
  }
  return common(state, tok);
}

static int PTRCALL
attlist7(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_CLOSE_PAREN:
    state->handler = attlist8;
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_OR:
    state->handler = attlist6;
    return XML_ROLE_ATTLIST_NONE;
  }
  return common(state, tok);
}

/* default value */
static int PTRCALL
attlist8(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_POUND_NAME:
    if (XmlNameMatchesAscii(enc,
                            ptr + MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_IMPLIED)) {
      state->handler = attlist1;
      return XML_ROLE_IMPLIED_ATTRIBUTE_VALUE;
    }
    if (XmlNameMatchesAscii(enc,
                            ptr + MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_REQUIRED)) {
      state->handler = attlist1;
      return XML_ROLE_REQUIRED_ATTRIBUTE_VALUE;
    }
    if (XmlNameMatchesAscii(enc,
                            ptr + MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_FIXED)) {
      state->handler = attlist9;
      return XML_ROLE_ATTLIST_NONE;
    }
    break;
  case XML_TOK_LITERAL:
    state->handler = attlist1;
    return XML_ROLE_DEFAULT_ATTRIBUTE_VALUE;
  }
  return common(state, tok);
}

static int PTRCALL
attlist9(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ATTLIST_NONE;
  case XML_TOK_LITERAL:
    state->handler = attlist1;
    return XML_ROLE_FIXED_ATTRIBUTE_VALUE;
  }
  return common(state, tok);
}

static int PTRCALL
element0(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_NAME:
  case XML_TOK_PREFIXED_NAME:
    state->handler = element1;
    return XML_ROLE_ELEMENT_NAME;
  }
  return common(state, tok);
}

static int PTRCALL
element1(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_NAME:
    if (XmlNameMatchesAscii(enc, ptr, end, KW_EMPTY)) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
      return XML_ROLE_CONTENT_EMPTY;
    }
    if (XmlNameMatchesAscii(enc, ptr, end, KW_ANY)) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
      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);
}

static int PTRCALL
element2(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_POUND_NAME:
    if (XmlNameMatchesAscii(enc,
                            ptr + MIN_BYTES_PER_CHAR(enc),
                            end,
                            KW_PCDATA)) {
      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);
}

static int PTRCALL
element3(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_CLOSE_PAREN:
    state->handler = declClose;
    state->role_none = XML_ROLE_ELEMENT_NONE;
    return XML_ROLE_GROUP_CLOSE;
  case XML_TOK_CLOSE_PAREN_ASTERISK:
    state->handler = declClose;
    state->role_none = XML_ROLE_ELEMENT_NONE;
    return XML_ROLE_GROUP_CLOSE_REP;
  case XML_TOK_OR:
    state->handler = element4;
    return XML_ROLE_ELEMENT_NONE;
  }
  return common(state, tok);
}

static int PTRCALL
element4(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_NAME:
  case XML_TOK_PREFIXED_NAME:
    state->handler = element5;
    return XML_ROLE_CONTENT_ELEMENT;
  }
  return common(state, tok);
}

static int PTRCALL
element5(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_CLOSE_PAREN_ASTERISK:
    state->handler = declClose;
    state->role_none = XML_ROLE_ELEMENT_NONE;
    return XML_ROLE_GROUP_CLOSE_REP;
  case XML_TOK_OR:
    state->handler = element4;
    return XML_ROLE_ELEMENT_NONE;
  }
  return common(state, tok);
}

static int PTRCALL
element6(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  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);
}

static int PTRCALL
element7(PROLOG_STATE *state,
         int tok,
         const char *ptr,
         const char *end,
         const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return XML_ROLE_ELEMENT_NONE;
  case XML_TOK_CLOSE_PAREN:
    state->level -= 1;
    if (state->level == 0) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
    }
    return XML_ROLE_GROUP_CLOSE;
  case XML_TOK_CLOSE_PAREN_ASTERISK:
    state->level -= 1;
    if (state->level == 0) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
    }
    return XML_ROLE_GROUP_CLOSE_REP;
  case XML_TOK_CLOSE_PAREN_QUESTION:
    state->level -= 1;
    if (state->level == 0) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
    }
    return XML_ROLE_GROUP_CLOSE_OPT;
  case XML_TOK_CLOSE_PAREN_PLUS:
    state->level -= 1;
    if (state->level == 0) {
      state->handler = declClose;
      state->role_none = XML_ROLE_ELEMENT_NONE;
    }
    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

static int PTRCALL
condSect0(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  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);
}

static int PTRCALL
condSect1(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  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);
}

static int PTRCALL
condSect2(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  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 */

static int PTRCALL
declClose(PROLOG_STATE *state,
          int tok,
          const char *ptr,
          const char *end,
          const ENCODING *enc)
{
  switch (tok) {
  case XML_TOK_PROLOG_S:
    return state->role_none;
  case XML_TOK_DECL_CLOSE:
    setTopLevel(state);
    return state->role_none;
  }
  return common(state, tok);
}

static int PTRCALL
error(PROLOG_STATE *state,
      int tok,
      const char *ptr,
      const char *end,
      const ENCODING *enc)
{
  return XML_ROLE_NONE;
}

static int FASTCALL
common(PROLOG_STATE *state, int tok)
{
#ifdef XML_DTD
  if (!state->documentEntity && tok == XML_TOK_PARAM_ENTITY_REF)
    return XML_ROLE_INNER_PARAM_ENTITY_REF;
#endif
  state->handler = error;
  return XML_ROLE_ERROR;
}

void
XmlPrologStateInit(PROLOG_STATE *state)
{
  state->handler = prolog0;
#ifdef XML_DTD
  state->documentEntity = 1;
  state->includeLevel = 0;
  state->inEntityValue = 0;
#endif /* XML_DTD */
}

#ifdef XML_DTD

void
XmlPrologStateInitExternalEntity(PROLOG_STATE *state)
{
  state->handler = externalSubset0;
  state->documentEntity = 0;
  state->includeLevel = 0;
}

#endif /* XML_DTD */

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