added Ezc::SplitUnixDirectory(...)

it's possible to give the path into the working directory in the Pattern::ParseFile(...) without using the Pattern::Directory(...)
added [#] (commentary)
[include] now can open a file only in a specific directory


git-svn-id: svn://ttmath.org/publicrep/cgi/ezc/trunk@9 e52654a7-88a9-db11-a3e9-0013d4bc506e

COPYRIGHT

@@ -1,4 +1,4 @@
-Copyright (c) 2006-2007, Tomasz Sowa
+Copyright (c) 2007, Tomasz Sowa
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

src/ezc.cpp

@@ -56,6 +56,52 @@ return buffer.str();
 }
 
 
+/*
+	this method splits the input file name into a directory and a file name
+	e.g 
+		if 'name' is "/this/is/dummy/file.ezc"
+	the result will be:
+		dir  = "/this/is/dummy"
+		file = "file.ezc"
+*/
+void SplitUnixDirectory(const char * name, std::string & dir, std::string & file)
+{
+	dir.clear();
+	file.clear();
+
+	int i;
+	for( i=0 ; name[i] != 0 ; ++i );
+
+	if( i == 0 )
+		return;
+
+	for( --i ; i>=0 && name[i]!='\\' && name[i]!='/' ; --i );
+
+	if( i < 0 )
+	{
+		file.assign(name);
+	}
+	else
+	{
+		if( i == 0 )
+			// we're leaving one '/' in the directory
+			// (we have only the root directory)
+			dir.assign(name, 1); 
+		else
+			dir.assign(name, i);
+
+		file.assign(name + i + 1 );
+	}
+
+return;
+}
+
+void SplitUnixDirectory(const std::string & name, std::string & dir, std::string & file)
+{
+	SplitUnixDirectory(name.c_str(), dir, file);
+}
+
+
 
 /*
  *
@@ -64,20 +110,26 @@ return buffer.str();
  *
  */
 
-void Pattern::ParseFile(std::string file_name)
+void Pattern::ParseFile(const std::string & file_name)
 {
-	file_name.insert(file_name.begin(), '\"');
-
-	item_root.directives.clear();
-	item_root.directives.push_back( file_name );
-
-	CreateTreeReadInclude(item_root);
+	ParseFile( file_name.c_str() );
 }
 
-
 void Pattern::ParseFile(const char * file_name)
 {
-	ParseFile( std::string(file_name) );
+std::string file;
+
+	if( directory.empty() )
+		SplitUnixDirectory(file_name, directory, file);
+	else
+		file = file_name;
+
+	file.insert(file.begin(), '\"');
+
+	item_root.directives.clear();
+	item_root.directives.push_back( file );
+
+	CreateTreeReadInclude(item_root);
 }
 
 
@@ -107,6 +159,9 @@ return true;
 }
 
 
+/*
+	'name' must be a relative path
+*/
 std::string Pattern::ReadFile(const char * name)
 {
 	// for security reason we can't open a file which has two dots
@@ -114,16 +169,10 @@ std::string Pattern::ReadFile(const char * name)
 	if( !CheckFileName(name) )
 		return CreateMsg("incorrect file name:", name);
 
-	std::string file_name;
-	
-	if( name[0]!='\\' && name[0]!='/' )
-	{
-		// name is a relative path
-		file_name += directory;
-	
-		if( !file_name.empty() )
-			file_name += '/';
-	}
+	std::string file_name(directory);
+
+	if( !file_name.empty() )
+		file_name += '/';
 
 	file_name += name;
 
@@ -173,7 +222,7 @@ std::string directive;
 	while(	(*itext>='a' && *itext<='z') ||
 			(*itext>='A' && *itext<='Z') ||
 			(*itext>='0' && *itext<='9') ||
-			*itext=='_' || *itext=='-'  || *itext=='.' )
+			*itext=='_' || *itext=='-'  || *itext=='.' || *itext=='#' )
 	{
 		directive += *itext;
 
@@ -326,6 +375,15 @@ void Pattern::ReadDirectiveFor(Item & item)
 }
 
 
+void Pattern::ReadDirectiveComment(Item & item)
+{
+	item.type = Item::item_comment;
+	
+	while( *itext && *itext!=']' && *itext!='\n' )
+		++itext;
+}
+
+
 void Pattern::ReadDirectiveInclude(Item & item)
 {
 	item.type = Item::item_include;
@@ -369,6 +427,9 @@ void Pattern::CreateTreeReadItemDirective(Item & item)
 	if( directive == "include" )
 		ReadDirectiveInclude(item);
 	else
+	if( directive == "#" )
+		ReadDirectiveComment(item);
+	else
 	{
 		// user defined
 		item.directives.push_back(directive);
@@ -462,6 +523,9 @@ void Pattern::CreateTree(Item & item)
 
 	while( CreateTreeReadItem(item_temp) )
 	{
+		if( item_temp.type == Item::item_comment )
+			continue;
+
 		Item * pitem = item.AddItem(item_temp);
 
 		if( item_temp.type==Item::item_end || item_temp.type==Item::item_else )

src/ezc.h

@@ -35,6 +35,12 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/*
+ * version 0.9.0
+ *
+ */
+
+
 #ifndef headerfileezc
 #define headerfileezc
 
@@ -51,12 +57,14 @@ namespace Ezc
 {
 
 std::string CreateMsg(const char * type, const char * arg = 0);
+void SplitUnixDirectory(const char * name, std::string & dir, std::string & file);
+void SplitUnixDirectory(const std::string & name, std::string & dir, std::string & file);
 
 	
 class Pattern
 {
 public:
-	void ParseFile(std::string file_name);
+	void ParseFile(const std::string & file_name);
 	void ParseFile(const char * file_name);
 	void Directory(const char * d);
 	void Directory(const std::string & d);
@@ -65,8 +73,9 @@ public:
 	{
 		enum ItemType 
 		{
-			item_none, item_container, item_text, item_ifany, item_for, item_else,
-			item_end, item_err, item_normal, item_ifindex, item_include, item_is, item_ifone
+			item_none, item_container, item_text, item_ifany, item_for,
+			item_else, item_end, item_err, item_normal, item_ifindex,
+			item_include, item_is, item_ifone, item_comment
 		};
 
 		ItemType type;
@@ -112,7 +121,9 @@ private:
 	void ReadDirectiveIs(Item & item);
 	void ReadDirectiveIfindex(Item & item);
 	void ReadDirectiveFor(Item & item);
+	void ReadDirectiveComment(Item & item);
 	void ReadDirectiveInclude(Item & item);
+
 	void CreateTreeReadItemDirective(Item & item);
 
 	void CreateTreeReadItemText(Item & item);
@@ -163,7 +174,6 @@ private:
 	UserInfoTable user_info_table;
 	std::string otext;
 
-
 	bool Find(const std::string & key, UserInfo ** user_info);
 	void MakeTextIf_go(Pattern::Item & item, bool result);
 	bool MakeTextIfindexnumber(Pattern::Item & item, UserInfo * user_info, bool & result);