Improve LaTeX format detection

[features.git] / src / support / lstrings.h

diff --git a/src/support/lstrings.h b/src/support/lstrings.h
index 036a91c566a3639be983accfc041cd58302d33cd..2606546fa05ce3c29cdb5c0c47341e83e1fd814c 100644 (file)
--- a/src/support/lstrings.h
+++ b/src/support/lstrings.h
@@ -18,7 +18,6 @@
 
 #include "support/docstring.h"
 
-#include <string>
 #include <vector>
 
 
@@ -44,6 +43,11 @@ bool isStrUnsignedInt(std::string const & str);
 ///
 bool isStrDbl(std::string const & str);
 
+/// does the string contain a digit?
+bool hasDigitASCII(docstring const & str);
+
+bool isHexChar(char_type);
+
 bool isHex(docstring const & str);
 
 int hexToInt(docstring const & str);
@@ -80,6 +84,12 @@ char_type lowercase(char_type c);
 /// Does not depend on the locale.
 char_type uppercase(char_type c);
 
+/// Checks if the supplied character is lower-case
+bool isLowerCase(char_type ch);
+
+/// Checks if the supplied character is upper-case
+bool isUpperCase(char_type ch);
+
 /// same as lowercase(), but ignores locale
 std::string const ascii_lowercase(std::string const &);
 docstring const ascii_lowercase(docstring const &);
@@ -92,6 +102,14 @@ docstring const lowercase(docstring const & s);
 /// Does not depend on the locale.
 docstring const uppercase(docstring const & s);
 
+/// Returns the superscript of \p c or \p c if no superscript exists.
+/// Does not depend on the locale.
+char_type superscript(char_type c);
+
+/// Returns the subscript of \p c or \p c if no subscript exists.
+/// Does not depend on the locale.
+char_type subscript(char_type c);
+
 /// Does str start with c?
 bool prefixIs(docstring const & str, char_type c);
 
@@ -170,6 +188,12 @@ std::string const subst(std::string const & a,
 docstring const subst(docstring const & a,
                docstring const & oldstr, docstring const & newstr);
 
+/// Count all occurences of char \a chr inside \a str
+int count_char(std::string const & str, char chr);
+
+/// Count all occurences of char \a chr inside \a str
+int count_char(docstring const & str, docstring::value_type chr);
+
 /** Trims characters off the end and beginning of a string.
     \code
     trim("ccabccc", "c") == "ab".
@@ -202,11 +226,12 @@ std::string const ltrim(std::string const & a, char const * p = " ");
 docstring const ltrim(docstring const & a, char const * p = " ");
 
 /** Splits the string given in the first argument at the first occurence 
-    of the third argumnent, delim.
+    of the third argument, delim.
     What precedes delim is returned in the second argument, piece; this
     will be the whole of the string if no delimiter is found.
     The return value is what follows delim, if anything. So the return
     value is the null string if no delimiter is found.
+    'a' and 'piece' must be different variables.
     Examples:
     \code
     s1= "a;bc"; s2= ""
@@ -221,6 +246,7 @@ std::string const split(std::string const & a, char delim);
 
 /// Same as split but uses the last delim.
 std::string const rsplit(std::string const & a, std::string & piece, char delim);
+docstring const rsplit(docstring const & a, docstring & piece, char_type delim);
 docstring const rsplit(docstring const & a, char_type delim);
 
 /// Escapes non ASCII chars and other problematic characters that cause
@@ -282,6 +308,7 @@ template<> docstring bformat(docstring const & fmt, unsigned int arg1);
 template<> docstring bformat(docstring const & fmt, docstring arg1);
 template<> docstring bformat(docstring const & fmt, char * arg1);
 template<> docstring bformat(docstring const & fmt, docstring arg1, docstring arg2);
+template<> docstring bformat(docstring const & fmt, docstring arg1, int arg2);
 template<> docstring bformat(docstring const & fmt, char const * arg1, docstring arg2);
 template<> docstring bformat(docstring const & fmt, int arg1, int arg2);
 template<> docstring bformat(docstring const & fmt, docstring arg1, docstring arg2, docstring arg3);