Text class mostly working

- tabs not yet working

include/catch_runner.hpp

@@ -14,6 +14,7 @@
 #include "internal/catch_test_spec.h"
 #include "internal/catch_version.h"
 #include "internal/catch_line_wrap.h"
+#include "internal/catch_text.h"
 
 #include <fstream>
 #include <stdlib.h>
@@ -161,7 +162,8 @@ namespace Catch {
                 displayedSpecificOption = true;
                 std::cout   << "\n" << opt.optionNames() << " " << opt.argsSynopsis() << "\n\n"
                             << opt.optionSummary() << "\n\n"
-                            << LineWrapper().setIndent( 2 ).wrap( opt.optionDescription() ) << "\n" << std::endl;
+//                            << LineWrapper().setIndent( 2 ).wrap( opt.optionDescription() ) << "\n" << std::endl;
+                            << Text( opt.optionDescription(), TextAttributes().setIndent( 2 ) ) << "\n" << std::endl;
             }
         }
 

include/internal/catch_line_wrap.hpp

@@ -48,7 +48,7 @@ namespace Catch {
         return wrappableChars.find( c ) != std::string::npos;
     }
     void LineWrapper::wrapInternal( std::string const& _str ) {
-        assert( ++recursionCount < 100 );
+        assert( ++recursionCount < 1000 );
 
         std::size_t width = right - getCurrentIndent();
         std::size_t wrapPoint = width-tab;

include/internal/catch_text.h

@@ -0,0 +1,120 @@
+/*
+ *  Created by Phil on 18/4/2013.
+ *  Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+#ifndef TWOBLUECUBES_CATCH_TEXT_H_INCLUDED
+#define TWOBLUECUBES_CATCH_TEXT_H_INCLUDED
+
+#include <string>
+#include <vector>
+
+namespace Catch {
+    
+    struct TextAttributes {
+        TextAttributes()
+        :   initialIndent( std::string::npos ),
+            indent( 0 ),
+            width( CATCH_CONFIG_CONSOLE_WIDTH-1 ),
+            tabChar( '\t' )
+        {}
+        
+        TextAttributes& setInitialIndent( std::size_t _value )  { initialIndent = _value; return *this; }
+        TextAttributes& setIndent( std::size_t _value )         { indent = _value; return *this; }
+        TextAttributes& setWidth( std::size_t _value )          { width = _value; return *this; }
+        TextAttributes& setTabChar( char _value )               { tabChar = _value; return *this; }
+
+        std::size_t initialIndent;  // indent of first line, or npos
+        std::size_t indent;         // indent of subsequent lines, or all if initialIndent is npos
+        std::size_t width;          // maximum width of text, including indent. Longer text will wrap
+        char tabChar;               // If this char is seen the indent is changed to current pos
+    };
+
+    class Text {
+    public:
+        Text( std::string const& _str, TextAttributes const& _attr = TextAttributes() )
+        : attr( _attr )
+        {
+            std::string wrappableChars = " [({.,/|\\-";
+            std::size_t indent = _attr.initialIndent != std::string::npos
+                ? _attr.initialIndent
+                : _attr.indent;
+            std::string remainder = _str;
+            std::size_t tabPos = std::string::npos;
+            while( !remainder.empty() ) {
+                std::size_t width = _attr.width - indent;
+                std::size_t wrapPos = width;
+                std::size_t pos = remainder.find_first_of( '\n' );
+                if( pos <= width ) {
+                    wrapPos = pos;
+                    addLine( indent, remainder.substr( 0, pos ) );
+                    remainder = remainder.substr( pos+1 );
+                    if( remainder.empty() )
+                        addLine (indent, "" ); // Trailing newlines result in extra line
+                }
+                else {
+                    pos = remainder.find_last_of( _attr.tabChar, width );
+                    if( pos != std::string::npos ) {
+                        tabPos = pos;
+                        remainder = remainder.substr( 0, tabPos ) + remainder.substr( tabPos+1 );
+                    }
+                    if( remainder.size() <= width ) {
+                        addLine( indent, remainder );
+                        remainder = std::string();
+                    }
+                    else {                
+                        pos = remainder.find_last_of( wrappableChars, width );
+                        if( pos == std::string::npos ) {
+                            addLine( indent, remainder.substr( 0, width-1 ) + "-" );
+                            remainder = remainder.substr( width-1 );
+                        }
+                        else {
+                            addLine( indent, remainder.substr( 0, pos ) );
+                            if( remainder[pos] == ' ' )
+                                pos++;
+                            remainder = remainder.substr( pos );
+                        }
+                    }
+                }
+                indent = tabPos == std::string::npos
+                    ? _attr.indent
+                    : indent + tabPos;
+            };
+        }
+        void addLine( std::size_t indent, std::string const& _line ) {
+            lines.push_back( std::string( indent, ' ' ) + _line );
+        }
+        typedef std::vector<std::string>::const_iterator const_iterator;
+
+        const_iterator begin() const { return lines.begin(); }
+        const_iterator end() const { return lines.end(); }
+        std::string const& last() const { return lines.back(); }
+        std::size_t size() const { return lines.size(); }
+        std::string const& operator[]( std::size_t _index ) const { return lines[_index]; }
+
+        friend std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
+            for( Text::const_iterator it = _text.begin(), itEnd = _text.end();
+                it != itEnd; ++it ) {
+                if( it != _text.begin() )
+                    _stream << "\n";
+                _stream << *it;
+            }
+            return _stream;
+        }
+        std::string toString() const {
+            std::ostringstream oss;
+            oss << *this;
+            return oss.str();
+        }
+        
+    private:
+        std::string str;
+        TextAttributes attr;
+        std::vector<std::string> lines;
+    };
+    
+} // end namespace Catch
+
+#endif // TWOBLUECUBES_CATCH_TEXT_H_INCLUDED

include/reporters/catch_reporter_console.hpp

@@ -264,10 +264,7 @@ namespace Catch {
             }
         }
         void printTestCaseAndSectionHeader() {
-            printOpenHeader(    unusedTestCaseInfo->name,
+            printOpenHeader( unusedTestCaseInfo->name );
-                                currentSectionInfo
-                                    ? currentSectionInfo->lineInfo
-                                    : unusedTestCaseInfo->lineInfo );
             if( currentSectionInfo ) {
                 Colour colourGuard( Colour::Headers );
                 std::vector<ThreadedSectionInfo*> sections;
@@ -280,7 +277,7 @@ namespace Catch {
                 if( !sections.empty() ) {                    
                     typedef std::vector<ThreadedSectionInfo*>::const_reverse_iterator It;
                     for( It it = sections.rbegin(), itEnd = sections.rend(); it != itEnd; ++it )
-                        printUserString( (*it)->name, 2 );
+                        printHeaderString( (*it)->name, 2 );
 
                 }
             }
@@ -300,17 +297,17 @@ namespace Catch {
             printOpenHeader( _name );
             stream << getDots() << "\n";
         }
-        void printOpenHeader( std::string const& _name, SourceLineInfo const& _lineInfo = SourceLineInfo() ) {
+        void printOpenHeader( std::string const& _name ) {
             stream  << getDashes() << "\n";
             {
                 Colour colourGuard( Colour::Headers );
-                printUserString( _name );
+                printHeaderString( _name );
             }
         }
-        
+
         // if string has a : in first line will set indent to follow it on
         // subsequent lines
-        void printUserString( std::string const& _string, std::size_t indent = 0 ) {
+        void printHeaderString( std::string const& _string, std::size_t indent = 0 ) {
             std::size_t i = _string.find( ": " );
             if( i != std::string::npos )
                 i+=2;

projects/SelfTest/TestMain.cpp

@@ -11,6 +11,7 @@
 
 #include "catch_self_test.hpp"
 #include "internal/catch_line_wrap.h"
+#include "internal/catch_text.h"
 
 TEST_CASE( "selftest/main", "Runs all Catch self tests and checks their results" ) {
     using namespace Catch;
@@ -427,52 +428,53 @@ TEST_CASE( "selftest/tags", "" ) {
 
 TEST_CASE( "Long strings can be wrapped", "[wrap]" ) {
 
+    using namespace Catch;
     SECTION( "plain string", "" ) {
         // guide:                 123456789012345678
         std::string testString = "one two three four";
         
         SECTION( "No wrapping", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 80 ).wrap( testString ).toString() == testString );
+            CHECK( Text( testString, TextAttributes().setWidth( 80 ) ).toString() == testString );
-            CHECK( Catch::LineWrapper().setRight( 18 ).wrap( testString ).toString() == testString );
+            CHECK( Text( testString, TextAttributes().setWidth( 18 ) ).toString() == testString );
         }
         SECTION( "Wrapped once", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 17 ).wrap( testString ).toString() == "one two three\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 17 ) ).toString() == "one two three\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 16 ).wrap( testString ).toString() == "one two three\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 16 ) ).toString() == "one two three\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 15 ).wrap( testString ).toString() == "one two three\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 14 ) ).toString() == "one two three\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 14 ).wrap( testString ).toString() == "one two three\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 13 ) ).toString() == "one two three\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 13 ).wrap( testString ).toString() == "one two\nthree four" );
+            CHECK( Text( testString, TextAttributes().setWidth( 12 ) ).toString() == "one two\nthree four" );
         }
         SECTION( "Wrapped twice", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 9 ).wrap( testString ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 9 ) ).toString() == "one two\nthree\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 8 ).wrap( testString ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 8 ) ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 7 ) ).toString() == "one two\nthree\nfour" );
         }
         SECTION( "Wrapped three times", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 7 ).wrap( testString ).toString() == "one\ntwo\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 6 ) ).toString() == "one\ntwo\nthree\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 5 ).wrap( testString ).toString() == "one\ntwo\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 5 ) ).toString() == "one\ntwo\nthree\nfour" );
         }
         SECTION( "Short wrap", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 4 ).wrap( "abcdef" ).toString() == "abc-\ndef" );
+            CHECK( Text( "abcdef", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndef" );
-            CHECK( Catch::LineWrapper().setRight( 4 ).wrap( "abcdefg" ).toString() == "abc-\ndefg" );
+            CHECK( Text( "abcdefg", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndefg" );
-            CHECK( Catch::LineWrapper().setRight( 4  ).wrap("abcdefgh" ).toString() == "abc-\ndef-\ngh" );
+            CHECK( Text( "abcdefgh", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndef-\ngh" );
 
-            CHECK( Catch::LineWrapper().setRight( 4 ).wrap( testString ).toString() == "one\ntwo\nthr-\nee\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 4 ) ).toString() == "one\ntwo\nthr-\nee\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 3 ).wrap( testString ).toString() == "one\ntwo\nth-\nree\nfo-\nur" );
+            CHECK( Text( testString, TextAttributes().setWidth( 3 ) ).toString() == "one\ntwo\nth-\nree\nfo-\nur" );
         }
         SECTION( "As container", "" ) {
-            Catch::LineWrapper wrapper;
+            Text text( testString, TextAttributes().setWidth( 6 ) );
-            wrapper.setRight( 7 ).wrap( testString );
+            REQUIRE( text.size() == 4 );
-            CHECK( wrapper.size() == 4 );
+            CHECK( text[0] == "one" );
-            CHECK( wrapper[0] == "one" );
+            CHECK( text[1] == "two" );
-            CHECK( wrapper[1] == "two" );
+            CHECK( text[2] == "three" );
-            CHECK( wrapper[2] == "three" );
+            CHECK( text[3] == "four" );
-            CHECK( wrapper[3] == "four" );
         }
         SECTION( "Indent first line differently", "" ) {
-            CHECK( Catch::LineWrapper()
+            Text text( testString, TextAttributes()
-                        .setRight( 10 )
+                                        .setWidth( 10 )
-                        .setIndent( 4 )
+                                        .setIndent( 4 )
-                        .setInitialIndent( 1 )
+                                        .setInitialIndent( 1 ) );
-                        .wrap( testString ).toString() == " one two\n    three\n    four" );
+            CHECK( text.toString() == " one two\n    three\n    four" );
         }
         
     }
@@ -483,25 +485,35 @@ TEST_CASE( "Long strings can be wrapped", "[wrap]" ) {
         std::string testString = "one two\nthree four";
         
         SECTION( "No wrapping" , "" ) {
-            CHECK( Catch::LineWrapper().setRight( 80 ).wrap( testString ).toString() == testString );
+            CHECK( Text( testString, TextAttributes().setWidth( 80 ) ).toString() == testString );
-            CHECK( Catch::LineWrapper().setRight( 18 ).wrap( testString ).toString() == testString );
+            CHECK( Text( testString, TextAttributes().setWidth( 18 ) ).toString() == testString );
-            CHECK( Catch::LineWrapper().setRight( 10 ).wrap( testString ).toString() == testString );
+            CHECK( Text( testString, TextAttributes().setWidth( 10 ) ).toString() == testString );
         }
         SECTION( "Trailing newline" , "" ) {
-            CHECK( Catch::LineWrapper().setRight( 10 ).wrap( "abcdef\n" ).toString() == "abcdef\n" );
+            CHECK( Text( "abcdef\n", TextAttributes().setWidth( 10 ) ).toString() == "abcdef\n" );
-            CHECK( Catch::LineWrapper().setRight(  6 ).wrap( "abcdef" ).toString() == "abcdef" );
+            CHECK( Text( "abcdef", TextAttributes().setWidth( 6 ) ).toString() == "abcdef" );
-            CHECK( Catch::LineWrapper().setRight(  6 ).wrap( "abcdef\n" ).toString() == "abcdef\n" );
+            CHECK( Text( "abcdef\n", TextAttributes().setWidth( 6 ) ).toString() == "abcdef\n" );
         }
         SECTION( "Wrapped once", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 9 ).wrap( testString ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 9 ) ).toString() == "one two\nthree\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 8 ).wrap( testString ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 8 ) ).toString() == "one two\nthree\nfour" );
-            CHECK( Catch::LineWrapper().setRight( 7 ).wrap( testString ).toString() == "one two\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 7 ) ).toString() == "one two\nthree\nfour" );
         }
         SECTION( "Wrapped twice", "" ) {
-            CHECK( Catch::LineWrapper().setRight( 6 ).wrap( testString ).toString() == "one\ntwo\nthree\nfour" );
+            CHECK( Text( testString, TextAttributes().setWidth( 6 ) ).toString() == "one\ntwo\nthree\nfour" );
         }
     }
     
+    SECTION( "With tabs", "" ) {
+
+        // guide:                 1234567890123456789
+        std::string testString = "one two /tthree four five six";
+        
+        CHECK( Text( testString, TextAttributes().setWidth( 18 ) ).toString()
+            == "one two three/n        four/n        five/n        six" );
+    }
+    
+    
 }
 
 using namespace Catch;
@@ -520,7 +532,7 @@ public:
         std::size_t fromIndex;
         std::size_t toIndex;
     };
-    
+
     ColourString( std::string const& _string )
     : string( _string )
     {}
@@ -576,34 +588,8 @@ private:
     std::vector<ColourIndex> colours;
 };
 
-class Text
+// !TBD: This will be folded into Text class
-{
-public:
-    Text( std::string const& _string ) : originalString( _string ) {
-    }
-    Text( char const* const _string ) : originalString( _string ) {
-    }
-    
-    friend std::ostream& operator << ( std::ostream& _stream, Text const& _text ) {
-        _text.print( _stream );
-        return _stream;
-    }
-
-private:
-    void process() const {
-        
-    }
-    void print( std::ostream& stream ) const {
-        stream << originalString;
-    }
-    
-    std::string originalString;
-//    std::vector<
-};
-
 TEST_CASE( "Strings can be rendered with colour", "[colour]" ) {
-//    Text text = "`red`This is in red. `green` this is in green";
-//    std::cout << text << std::endl;
     
     {
         ColourString cs( "hello" );
@@ -621,3 +607,14 @@ TEST_CASE( "Strings can be rendered with colour", "[colour]" ) {
     }
     
 }
+
+TEST_CASE( "Text can be formatted using the Text class", "" ) {
+    Text text( "hi there" );
+    
+    CHECK( Text( "hi there" ).toString() == "hi there" );
+    
+    TextAttributes narrow;
+    narrow.setWidth( 6 );
+    
+    CHECK( Text( "hi there", narrow ).toString() == "hi\nthere" );
+}

projects/XCode4/CatchSelfTest/CatchSelfTest.xcodeproj/project.pbxproj

@@ -67,6 +67,7 @@
 		2694A1F8169FFF9B004816E3 /* catch_line_wrap.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = catch_line_wrap.h; sourceTree = "<group>"; };
 		2694A1FA169FFFEC004816E3 /* catch_line_wrap.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = catch_line_wrap.hpp; sourceTree = "<group>"; };
 		2694A1FB16A0000E004816E3 /* catch_line_wrap.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = catch_line_wrap.cpp; sourceTree = "<group>"; };
+		26DACF2F17206D3400A21326 /* catch_text.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = catch_text.h; sourceTree = "<group>"; };
 		4A084F1C15DACEEA0027E631 /* catch_test_case_info.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = catch_test_case_info.hpp; sourceTree = "<group>"; };
 		4A084F1D15DAD15F0027E631 /* catch_test_spec.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = catch_test_spec.h; sourceTree = "<group>"; };
 		4A3D7DD01503869D005F9203 /* catch_matchers.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = catch_matchers.hpp; sourceTree = "<group>"; };
@@ -399,6 +400,7 @@
 				2694A1F8169FFF9B004816E3 /* catch_line_wrap.h */,
 				26759472171C72A400A84BD1 /* catch_sfinae.hpp */,
 				26759473171C74C200A84BD1 /* catch_compiler_capabilities.h */,
+				26DACF2F17206D3400A21326 /* catch_text.h */,
 			);
 			name = Infrastructure;
 			sourceTree = "<group>";
@@ -522,7 +524,7 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_VERSION = "";
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
@@ -564,7 +566,7 @@
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES;
-				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_VERSION = "";
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;