[Faxpp-devel] SF.net SVN: faxpp: [33] trunk/faxpp

[<jp...@us...>]

Revision: 33
          http://faxpp.svn.sourceforge.net/faxpp/?rev=33&view=rev
Author:   jpcs
Date:     2007-09-27 17:29:16 -0700 (Thu, 27 Sep 2007)

Log Message:
-----------
Wrote tokenizer states to parse a "PUBLIC" external ID, and to allow
comments and PIs in the internal subset.

Modified Paths:
--------------
    trunk/faxpp/include/faxpp/error.h
    trunk/faxpp/include/faxpp/token.h
    trunk/faxpp/src/doctype.c
    trunk/faxpp/src/error.c
    trunk/faxpp/src/token.c
    trunk/faxpp/src/tokenizer_states.c
    trunk/faxpp/src/tokenizer_states.h
    trunk/faxpp/src/xml_parser.c
    trunk/faxpp/src/xml_tokenizer.c
    trunk/faxpp/src/xml_tokenizer.h

Modified: trunk/faxpp/include/faxpp/error.h
===================================================================
--- trunk/faxpp/include/faxpp/error.h	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/include/faxpp/error.h	2007-09-28 00:29:16 UTC (rev 33)
@@ -48,6 +48,10 @@
   INVALID_CHAR_IN_DOCTYPE_NAME,
   INVALID_SYSTEM_ID,
   EXPECTING_SYSTEM_LITERAL,
+  INVALID_PUBLIC_ID,
+  INVALID_CHAR_IN_PUBID_LITERAL,
+  EXPECTING_PUBID_LITERAL,
+  INVALID_DTD_DECL,
   OUT_OF_MEMORY,
 
   ELEMENT_NAME_MISMATCH,

Modified: trunk/faxpp/include/faxpp/token.h
===================================================================
--- trunk/faxpp/include/faxpp/token.h	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/include/faxpp/token.h	2007-09-28 00:29:16 UTC (rev 33)
@@ -69,6 +69,7 @@
   DOCTYPE_END_TOKEN,
 
   SYSTEM_LITERAL_TOKEN,
+  PUBID_LITERAL_TOKEN,
 
   END_OF_BUFFER_TOKEN = 99
 } FAXPP_TokenType;

Modified: trunk/faxpp/src/doctype.c
===================================================================
--- trunk/faxpp/src/doctype.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/doctype.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -100,7 +100,8 @@
       next_char(env);
       return NO_ERROR;
     case '[':
-      env->state = doctype_internal_subset_state;
+      env->state = internal_subset_state;
+      env->in_internal_subset = 1;
       token_end_position(env);
       report_token(DOCTYPE_NAME_TOKEN, env);
       next_char(env);
@@ -163,7 +164,8 @@
       next_char(env);
       return NO_ERROR;
     case '[':
-      env->state = doctype_internal_subset_state;
+      env->state = internal_subset_state;
+      env->in_internal_subset = 1;
       token_end_position(env);
       report_token(DOCTYPE_NAME_TOKEN, env);
       next_char(env);
@@ -199,12 +201,13 @@
     env->stored_state = doctype_internal_subset_start_state;
     env->state = system_id_initial_state1;
     break;
-/*   case 'P': */
-/*     env->stored_state = doctype_internal_subset_start_state; */
-/*     env->state = public_id_initial_state1; */
-/*     break; */
+  case 'P':
+    env->stored_state = doctype_internal_subset_start_state;
+    env->state = public_id_initial_state1;
+    break;
   case '[':
-    env->state = doctype_internal_subset_state;
+    env->state = internal_subset_state;
+    env->in_internal_subset = 1;
     break;
   case '>':
     base_state(env);
@@ -220,85 +223,123 @@
   return NO_ERROR;
 }
 
+SINGLE_CHAR_STATE(system_id_initial_state1, 'Y', 0, system_id_initial_state2, INVALID_SYSTEM_ID)
+SINGLE_CHAR_STATE(system_id_initial_state2, 'S', 0, system_id_initial_state3, INVALID_SYSTEM_ID)
+SINGLE_CHAR_STATE(system_id_initial_state3, 'T', 0, system_id_initial_state4, INVALID_SYSTEM_ID)
+SINGLE_CHAR_STATE(system_id_initial_state4, 'E', 0, system_id_initial_state5, INVALID_SYSTEM_ID)
+SINGLE_CHAR_STATE(system_id_initial_state5, 'M', 0, system_id_ws_state, INVALID_SYSTEM_ID)
+
 FAXPP_Error
-doctype_internal_subset_start_state(FAXPP_TokenizerEnv *env)
+system_id_ws_state(FAXPP_TokenizerEnv *env)
 {
   read_char(env);
 
   switch(env->current_char) {
   WHITESPACE:
+    env->state = system_literal_start_state;
+    next_char(env);
     break;
-  case '[':
-    env->state = doctype_internal_subset_state;
-    break;
-  case '>':
-    base_state(env);
-    report_empty_token(DOCTYPE_END_TOKEN, env);
-    next_char(env);
-    token_start_position(env);
-    return NO_ERROR;
   default:
     next_char(env);
-    return INVALID_DOCTYPE_DECL;
+    return EXPECTING_WHITESPACE;
   }
-  next_char(env);
   return NO_ERROR;
 }
 
 FAXPP_Error
-doctype_internal_subset_state(FAXPP_TokenizerEnv *env)
+system_literal_start_state(FAXPP_TokenizerEnv *env)
 {
   read_char(env);
 
   switch(env->current_char) {
-  case ']':
-    env->state = doctype_end_state;
+  WHITESPACE:
     next_char(env);
     return NO_ERROR;
-  LINE_ENDINGS
+  case '"':
+    env->state = system_literal_quot_state;
+    break;
+  case '\'':
+    env->state = system_literal_apos_state;
+    break;
   default:
     next_char(env);
-    return INVALID_DOCTYPE_DECL;
+    return EXPECTING_SYSTEM_LITERAL;
   }
+  next_char(env);
+  token_start_position(env);
   return NO_ERROR;
 }
 
 FAXPP_Error
-doctype_end_state(FAXPP_TokenizerEnv *env)
+system_literal_apos_state(FAXPP_TokenizerEnv *env)
 {
-  read_char(env);
+  while(1) {
+    read_char(env);
 
-  switch(env->current_char) {
-  WHITESPACE:
+    switch(env->current_char) {
+    case '\'':
+      retrieve_state(env);
+      token_end_position(env);
+      report_token(SYSTEM_LITERAL_TOKEN, env);
+      next_char(env);
+      return NO_ERROR;
+    LINE_ENDINGS
+    default:
+      if((FAXPP_char_flags(env->current_char) & env->non_restricted_char) == 0) {
+        next_char(env);
+        return RESTRICTED_CHAR;
+      }
+      break;
+    }
     next_char(env);
-    break;
-  case '>':
-    base_state(env);
-    report_empty_token(DOCTYPE_END_TOKEN, env);
+  }
+
+  // Never happens
+  return NO_ERROR;
+}
+
+FAXPP_Error
+system_literal_quot_state(FAXPP_TokenizerEnv *env)
+{
+  while(1) {
+    read_char(env);
+
+    switch(env->current_char) {
+    case '"':
+      retrieve_state(env);
+      token_end_position(env);
+      report_token(SYSTEM_LITERAL_TOKEN, env);
+      next_char(env);
+      return NO_ERROR;
+    LINE_ENDINGS
+    default:
+      if((FAXPP_char_flags(env->current_char) & env->non_restricted_char) == 0) {
+        next_char(env);
+        return RESTRICTED_CHAR;
+      }
+      break;
+    }
     next_char(env);
-    token_start_position(env);
-    break;
-  default:
-    next_char(env);
-    return INVALID_DOCTYPE_DECL;
   }
+
+  // Never happens
   return NO_ERROR;
 }
 
-SINGLE_CHAR_STATE(system_id_initial_state1, 'Y', 0, system_id_initial_state2, INVALID_SYSTEM_ID)
-SINGLE_CHAR_STATE(system_id_initial_state2, 'S', 0, system_id_initial_state3, INVALID_SYSTEM_ID)
-SINGLE_CHAR_STATE(system_id_initial_state3, 'T', 0, system_id_initial_state4, INVALID_SYSTEM_ID)
-SINGLE_CHAR_STATE(system_id_initial_state4, 'E', 0, system_id_initial_state5, INVALID_SYSTEM_ID)
-SINGLE_CHAR_STATE(system_id_initial_state5, 'M', 0, system_id_ws_state, INVALID_SYSTEM_ID)
+SINGLE_CHAR_STATE(public_id_initial_state1, 'U', 0, public_id_initial_state2, INVALID_PUBLIC_ID)
+SINGLE_CHAR_STATE(public_id_initial_state2, 'B', 0, public_id_initial_state3, INVALID_PUBLIC_ID)
+SINGLE_CHAR_STATE(public_id_initial_state3, 'L', 0, public_id_initial_state4, INVALID_PUBLIC_ID)
+SINGLE_CHAR_STATE(public_id_initial_state4, 'I', 0, public_id_initial_state5, INVALID_PUBLIC_ID)
+SINGLE_CHAR_STATE(public_id_initial_state5, 'C', 0, public_id_ws_state, INVALID_PUBLIC_ID)
 
 FAXPP_Error
-system_id_ws_state(FAXPP_TokenizerEnv *env)
+public_id_ws_state(FAXPP_TokenizerEnv *env)
 {
   read_char(env);
 
   switch(env->current_char) {
   WHITESPACE:
-    env->state = system_literal_start_state;
+    env->state = pubid_literal_start_state;
     next_char(env);
     break;
   default:
@@ -309,7 +350,7 @@
 }
 
 FAXPP_Error
-system_literal_start_state(FAXPP_TokenizerEnv *env)
+pubid_literal_start_state(FAXPP_TokenizerEnv *env)
 {
   read_char(env);
 
@@ -318,14 +359,14 @@
     next_char(env);
     return NO_ERROR;
   case '"':
-    env->state = system_literal_quot_state;
+    env->state = pubid_literal_quot_state;
     break;
   case '\'':
-    env->state = system_literal_apos_state;
+    env->state = pubid_literal_apos_state;
     break;
   default:
     next_char(env);
-    return EXPECTING_SYSTEM_LITERAL;
+    return EXPECTING_PUBID_LITERAL;
   }
   next_char(env);
   token_start_position(env);
@@ -333,25 +374,38 @@
 }
 
 FAXPP_Error
-system_literal_apos_state(FAXPP_TokenizerEnv *env)
+pubid_literal_apos_state(FAXPP_TokenizerEnv *env)
 {
   while(1) {
     read_char(env);
 
     switch(env->current_char) {
     case '\'':
-      retrieve_state(env);
+      env->state = system_id_ws_state;
       token_end_position(env);
-      report_token(SYSTEM_LITERAL_TOKEN, env);
+      report_token(PUBID_LITERAL_TOKEN, env);
       next_char(env);
       return NO_ERROR;
+    // [13]   	PubidChar	   ::=   	#x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]
     LINE_ENDINGS
+    // A-Z
+               case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
+    case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F:
+    case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
+    case 0x58: case 0x59: case 0x5A:
+    // a-z
+               case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67:
+    case 0x68: case 0x69: case 0x6A: case 0x6B: case 0x6C: case 0x6D: case 0x6E: case 0x6F:
+    case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77:
+    case 0x78: case 0x79: case 0x7A:
+    case ' ': case '-': case '(': case ')': case '+': case ',': case '.': case '/': case ':':
+    case '=': case '?': case ';': case '!': case '*': case '#': case '@': case '$': case '_':
+    case '%':
+      // Valid PubidChar
+      break;
     default:
-      if((FAXPP_char_flags(env->current_char) & env->non_restricted_char) == 0) {
-        next_char(env);
-        return RESTRICTED_CHAR;
-      }
-      break;
+      next_char(env);
+      return INVALID_CHAR_IN_PUBID_LITERAL;
     }
     next_char(env);
   }
@@ -361,25 +415,38 @@
 }
 
 FAXPP_Error
-system_literal_quot_state(FAXPP_TokenizerEnv *env)
+pubid_literal_quot_state(FAXPP_TokenizerEnv *env)
 {
   while(1) {
     read_char(env);
 
     switch(env->current_char) {
     case '"':
-      retrieve_state(env);
+      env->state = system_id_ws_state;
       token_end_position(env);
-      report_token(SYSTEM_LITERAL_TOKEN, env);
+      report_token(PUBID_LITERAL_TOKEN, env);
       next_char(env);
       return NO_ERROR;
+    // [13]   	PubidChar	   ::=   	#x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]
     LINE_ENDINGS
+    // A-Z
+               case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
+    case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F:
+    case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
+    case 0x58: case 0x59: case 0x5A:
+    // a-z
+               case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67:
+    case 0x68: case 0x69: case 0x6A: case 0x6B: case 0x6C: case 0x6D: case 0x6E: case 0x6F:
+    case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77:
+    case 0x78: case 0x79: case 0x7A:
+    case ' ': case '-': case '(': case ')': case '+': case ',': case '.': case '/': case ':':
+    case '=': case '?': case ';': case '!': case '*': case '#': case '@': case '$': case '_':
+    case '%': case '\'':
+      // Valid PubidChar
+      break;
     default:
-      if((FAXPP_char_flags(env->current_char) & env->non_restricted_char) == 0) {
-        next_char(env);
-        return RESTRICTED_CHAR;
-      }
-      break;
+      next_char(env);
+      return INVALID_CHAR_IN_PUBID_LITERAL;
     }
     next_char(env);
   }
@@ -388,3 +455,99 @@
   return NO_ERROR;
 }
 
+FAXPP_Error
+doctype_internal_subset_start_state(FAXPP_TokenizerEnv *env)
+{
+  read_char(env);
+
+  switch(env->current_char) {
+  WHITESPACE:
+    break;
+  case '[':
+    env->state = internal_subset_state;
+    env->in_internal_subset = 1;
+    break;
+  case '>':
+    base_state(env);
+    report_empty_token(DOCTYPE_END_TOKEN, env);
+    next_char(env);
+    token_start_position(env);
+    return NO_ERROR;
+  default:
+    next_char(env);
+    return INVALID_DOCTYPE_DECL;
+  }
+  next_char(env);
+  return NO_ERROR;
+}
+
+FAXPP_Error
+internal_subset_state(FAXPP_TokenizerEnv *env)
+{
+  read_char(env);
+
+  switch(env->current_char) {
+  case ']':
+    env->state = doctype_end_state;
+    env->in_internal_subset = 0;
+    break;
+  WHITESPACE:
+    break;
+  case '<':
+    env->state = internal_subset_markup_state;
+    break;
+  default:
+    next_char(env);
+    return INVALID_DOCTYPE_DECL;
+  }
+
+  next_char(env);
+  return NO_ERROR;
+}
+
+FAXPP_Error
+internal_subset_markup_state(FAXPP_TokenizerEnv *env)
+{
+  read_char(env);
+
+  switch(env->current_char) {
+  case '?':
+    env->state = pi_name_start_state;
+    break;
+  case '!':
+    env->state = comment_start_state1;
+    break;
+  LINE_ENDINGS
+  default:
+/*     env->state = internal_subset_decl_state; */
+    next_char(env);
+    return INVALID_DTD_DECL;
+  }
+
+  next_char(env);
+  token_start_position(env);
+  return NO_ERROR;
+}
+
+FAXPP_Error
+doctype_end_state(FAXPP_TokenizerEnv *env)
+{
+  read_char(env);
+
+  switch(env->current_char) {
+  WHITESPACE:
+    next_char(env);
+    break;
+  case '>':
+    base_state(env);
+    report_empty_token(DOCTYPE_END_TOKEN, env);
+    next_char(env);
+    token_start_position(env);
+    break;
+  default:
+    next_char(env);
+    return INVALID_DOCTYPE_DECL;
+  }
+  return NO_ERROR;
+}
+

Modified: trunk/faxpp/src/error.c
===================================================================
--- trunk/faxpp/src/error.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/error.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -91,6 +91,14 @@
     return "INVALID_SYSTEM_ID";
   case EXPECTING_SYSTEM_LITERAL:
     return "EXPECTING_SYSTEM_LITERAL";
+  case INVALID_PUBLIC_ID:
+    return "INVALID_PUBLIC_ID";
+  case INVALID_CHAR_IN_PUBID_LITERAL:
+    return "INVALID_CHAR_IN_PUBID_LITERAL";
+  case EXPECTING_PUBID_LITERAL:
+    return "EXPECTING_PUBID_LITERAL";
+  case INVALID_DTD_DECL:
+    return "INVALID_DTD_DECL";
   case NO_ERROR:
     break;
   }

Modified: trunk/faxpp/src/token.c
===================================================================
--- trunk/faxpp/src/token.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/token.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -92,6 +92,8 @@
 
   case SYSTEM_LITERAL_TOKEN:
     return "SYSTEM_LITERAL_TOKEN";
+  case PUBID_LITERAL_TOKEN:
+    return "PUBID_LITERAL_TOKEN";
 
   case NO_TOKEN:
     break;

Modified: trunk/faxpp/src/tokenizer_states.c
===================================================================
--- trunk/faxpp/src/tokenizer_states.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/tokenizer_states.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -411,8 +411,10 @@
     return "doctype_after_name_state";
   else if(state == doctype_internal_subset_start_state)
     return "doctype_internal_subset_start_state";
-  else if(state == doctype_internal_subset_state)
-    return "doctype_internal_subset_state";
+  else if(state == internal_subset_state)
+    return "internal_subset_state";
+  else if(state == internal_subset_markup_state)
+    return "internal_subset_markup_state";
   else if(state == doctype_end_state)
     return "doctype_end_state";
 
@@ -435,6 +437,25 @@
   else if(state == system_literal_quot_state)
     return "system_literal_quot_state";
 
+  else if(state == public_id_initial_state1)
+    return "public_id_initial_state1";
+  else if(state == public_id_initial_state2)
+    return "public_id_initial_state2";
+  else if(state == public_id_initial_state3)
+    return "public_id_initial_state3";
+  else if(state == public_id_initial_state4)
+    return "public_id_initial_state4";
+  else if(state == public_id_initial_state5)
+    return "public_id_initial_state5";
+  else if(state == public_id_ws_state)
+    return "public_id_ws_state";
+  else if(state == pubid_literal_start_state)
+    return "pubid_literal_start_state";
+  else if(state == pubid_literal_apos_state)
+    return "pubid_literal_apos_state";
+  else if(state == pubid_literal_quot_state)
+    return "pubid_literal_quot_state";
+
   return "unknown";
 }
 #endif

Modified: trunk/faxpp/src/tokenizer_states.h
===================================================================
--- trunk/faxpp/src/tokenizer_states.h	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/tokenizer_states.h	2007-09-28 00:29:16 UTC (rev 33)
@@ -253,7 +253,8 @@
 FAXPP_Error doctype_name_seen_colon_state2(FAXPP_TokenizerEnv *env);
 FAXPP_Error doctype_after_name_state(FAXPP_TokenizerEnv *env);
 FAXPP_Error doctype_internal_subset_start_state(FAXPP_TokenizerEnv *env);
-FAXPP_Error doctype_internal_subset_state(FAXPP_TokenizerEnv *env);
+FAXPP_Error internal_subset_state(FAXPP_TokenizerEnv *env);
+FAXPP_Error internal_subset_markup_state(FAXPP_TokenizerEnv *env);
 FAXPP_Error doctype_end_state(FAXPP_TokenizerEnv *env);
 
 FAXPP_Error system_id_initial_state1(FAXPP_TokenizerEnv *env);
@@ -266,7 +267,17 @@
 FAXPP_Error system_literal_apos_state(FAXPP_TokenizerEnv *env);
 FAXPP_Error system_literal_quot_state(FAXPP_TokenizerEnv *env);
 
+FAXPP_Error public_id_initial_state1(FAXPP_TokenizerEnv *env);
+FAXPP_Error public_id_initial_state2(FAXPP_TokenizerEnv *env);
+FAXPP_Error public_id_initial_state3(FAXPP_TokenizerEnv *env);
+FAXPP_Error public_id_initial_state4(FAXPP_TokenizerEnv *env);
+FAXPP_Error public_id_initial_state5(FAXPP_TokenizerEnv *env);
+FAXPP_Error public_id_ws_state(FAXPP_TokenizerEnv *env);
+FAXPP_Error pubid_literal_start_state(FAXPP_TokenizerEnv *env);
+FAXPP_Error pubid_literal_apos_state(FAXPP_TokenizerEnv *env);
+FAXPP_Error pubid_literal_quot_state(FAXPP_TokenizerEnv *env);
 
+
 /*********************
  *
  *  Tokenizer Helper Functions
@@ -340,6 +351,8 @@
   if((env)->nesting_level == 0) \
     if((env)->seen_doc_element) \
       (env)->state = final_state; \
+    else if((env)->in_internal_subset) \
+      (env)->state = internal_subset_state; \
     else (env)->state = initial_misc_state; \
   else (env)->state = (env)->element_content_state; \
 }

Modified: trunk/faxpp/src/xml_parser.c
===================================================================
--- trunk/faxpp/src/xml_parser.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/xml_parser.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -814,6 +814,7 @@
     case DOCTYPE_NAME_TOKEN:
     case DOCTYPE_END_TOKEN:
     case SYSTEM_LITERAL_TOKEN:
+    case PUBID_LITERAL_TOKEN:
       // TBD - jpcs
       break;
 

Modified: trunk/faxpp/src/xml_tokenizer.c
===================================================================
--- trunk/faxpp/src/xml_tokenizer.c	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/xml_tokenizer.c	2007-09-28 00:29:16 UTC (rev 33)
@@ -389,6 +389,7 @@
   env->nesting_level = 0;
   env->do_encode = 1;
   env->seen_doctype = 0;
+  env->in_internal_subset = 0;
   env->seen_doc_element = 0;
   env->buffer_done = done;
 

Modified: trunk/faxpp/src/xml_tokenizer.h
===================================================================
--- trunk/faxpp/src/xml_tokenizer.h	2007-09-25 11:50:47 UTC (rev 32)
+++ trunk/faxpp/src/xml_tokenizer.h	2007-09-28 00:29:16 UTC (rev 33)
@@ -44,6 +44,7 @@
   unsigned int nesting_level;
   unsigned int do_encode:1;
   unsigned int seen_doctype:1;
+  unsigned int in_internal_subset:1;
   unsigned int seen_doc_element:1;
   unsigned int buffer_done:1;
   unsigned int normalize_attrs:1;


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