X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxlex.C;h=3bd90f40b4381f8ffd86a8504cf23c9908c621b8;hb=8a5d04fd84e344a1ba1cfd3f5cce67d41874cfa3;hp=958c7a14e680b33cbbc6b05140ae4026a77c1e63;hpb=a0bf0835e531b77fb00417c4256eee8baa020c26;p=lyx.git

diff --git a/src/lyxlex.C b/src/lyxlex.C
index 958c7a14e6..3bd90f40b4 100644
--- a/src/lyxlex.C
+++ b/src/lyxlex.C
@@ -1,15 +1,14 @@
-/* This file is part of
- * ====================================================== 
- * 
- *           LyX, The Document Processor
+/**
+ * \file lyxlex.C
+ * Copyright 1996-2002 the LyX Team
+ * Read the file COPYING
  *
- *           Copyright 1996-2001 The LyX Team.
+ * Generalized simple lexical analyzer.
+ * It can be used for simple syntax parsers, like lyxrc,
+ * texclass and others to come.
  *
- *   Generalized simple lexical analizer.
- *   It can be used for simple syntax parsers, like lyxrc,
- *   texclass and others to come.   [asierra30/03/96]
- *
- * ====================================================== */
+ * \author Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
+ */
 
 #include <config.h>
 
@@ -33,7 +32,7 @@ LyXLex::LyXLex(keyword_item * tab, int num)
 {}
 
 
-LyXLex::~LyXLex() 
+LyXLex::~LyXLex()
 {
 	delete pimpl_;
 }
@@ -63,7 +62,7 @@ string const LyXLex::text() const
 }
 
 
-std::istream & LyXLex::getStream()
+istream & LyXLex::getStream()
 {
 	return pimpl_->is;
 }
@@ -118,9 +117,9 @@ int LyXLex::lex()
 
 int LyXLex::getInteger() const
 {
-	if (isStrInt(pimpl_->getString()))
+	if (isStrInt(pimpl_->getString())) {
 		return strToInt(pimpl_->getString());
-	else {
+	} else {
 		pimpl_->printError("Bad integer `$$Token'");
 		return -1;
 	}
@@ -131,7 +130,7 @@ float LyXLex::getFloat() const
 {
 	// replace comma with dot in case the file was written with
 	// the wrong locale (should be rare, but is easy enough to
-	// avoid). 
+	// avoid).
 	string str = subst(pimpl_->getString(), ",", ".");
 	if (isStrDbl(str))
 		return strToDbl(str);
@@ -150,7 +149,7 @@ string const LyXLex::getString() const
 
 // I would prefer to give a tag number instead of an explicit token
 // here, but it is not possible because Buffer::readLyXformat2 uses
-// explicit tokens (JMarc) 
+// explicit tokens (JMarc)
 string const LyXLex::getLongString(string const & endtoken)
 {
 	string str, prefix;
@@ -160,39 +159,39 @@ string const LyXLex::getLongString(string const & endtoken)
 		if (!eatLine())
 			// blank line in the file being read
 			continue;
-		
-		string const token = frontStrip(strip(getString()), " \t");
-		
+
+		string const token = trim(getString(), " \t");
+
 		lyxerr[Debug::PARSER] << "LongString: `"
 				      << getString() << '\'' << endl;
 
 		// We do a case independent comparison, like search_kw
 		// does.
-                if (compare_no_case(token, endtoken) != 0) {
-			string tmpstr = getString();
-			if (firstline) {
-				unsigned int i = 0;
-				while(i < tmpstr.length()
-				      && tmpstr[i] == ' ') {
-					++i;
-					prefix += ' ';
-				}
-				firstline = false;
-				lyxerr[Debug::PARSER] << "Prefix = `" << prefix
-						      << '\'' << endl;
-			} 
-
-			if (!prefix.empty() 
-			    && prefixIs(tmpstr, prefix)) {
-				tmpstr.erase(0, prefix.length() - 1);
-			}
-			str += frontStrip(tmpstr, "\t") + '\n';
-                }
-		else // token == endtoken
+		if (compare_ascii_no_case(token, endtoken) == 0)
 			break;
+
+		string tmpstr = getString();
+		if (firstline) {
+			string::size_type i(tmpstr.find_first_not_of(' '));
+			if (i != string::npos)
+				prefix = tmpstr.substr(0, i);
+			firstline = false;
+			lyxerr[Debug::PARSER]
+				<< "Prefix = `" << prefix << "\'" << endl;
+		}
+
+		// further lines in long strings may have the same
+		// whitespace prefix as the first line. Remove it.
+		if (prefix.length() && prefixIs(tmpstr, prefix)) {
+			tmpstr.erase(0, prefix.length() - 1);
+		}
+
+		str += ltrim(tmpstr, "\t") + '\n';
 	}
-	if (!isOK())
+
+	if (!isOK()) {
 		printError("Long string not ended by `" + endtoken + '\'');
+	}
 
 	return str;
 }
@@ -200,10 +199,11 @@ string const LyXLex::getLongString(string const & endtoken)
 
 bool LyXLex::getBool() const
 {
-	if (compare(pimpl_->buff, "true") == 0)
+	if (compare(pimpl_->buff, "true") == 0) {
 		return true;
-	else if (compare(pimpl_->buff, "false") != 0)
+	} else if (compare(pimpl_->buff, "false") != 0) {
 		pimpl_->printError("Bad boolean `$$Token'. Use \"false\" or \"true\"");
+	}
 	return false;
 }
 
@@ -233,34 +233,23 @@ void LyXLex::pushToken(string const & pt)
 
 
 int LyXLex::findToken(char const * str[])
-{  
-   int i = -1;
-   
-   if (next()) {
-      if (compare(pimpl_->buff, "default")) {
-	 for (i = 0; str[i][0] && compare(str[i], pimpl_->buff); ++i);
-	 if (!str[i][0]) {
-	    pimpl_->printError("Unknown argument `$$Token'");
-	    i = -1;
-	 }
-      }  
-   } else
-     pimpl_->printError("file ended while scanning string token");
-   return i;
-}
+{
+	if (!next()) {
+		pimpl_->printError("file ended while scanning string token");
+		return -1;
+	}
+
+	int i = 0;
 
+	if (compare(pimpl_->buff, "default")) {
+		while (str[i][0] && compare(str[i], pimpl_->buff)) {
+			++i;
+		}
+		if (!str[i][0]) {
+			pimpl_->printError("Unknown argument `$$Token'");
+			i = -1;
+		}
+	}
 
-int LyXLex::checkToken(char const * str[], int print_error)
-{  
-   int i = -1;
-   
-   if (compare(pimpl_->buff, "default")) {
-       for (i = 0; str[i][0] && compare(str[i], pimpl_->buff); ++i);
-       if (!str[i][0]) {
-           if (print_error)
-               pimpl_->printError("Unknown argument `$$Token'");
-           i = -1;
-       }
-   }
-   return i;
+	return i;
 }