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authorMike Buland <eichlan@xagasoft.com>2009-02-10 22:26:46 +0000
committerMike Buland <eichlan@xagasoft.com>2009-02-10 22:26:46 +0000
commit292ae9453e7fdb2f1023ed9dfc99cbcd751f8b90 (patch)
treee7cdb8620f4a16f114058dd245b51a8858eacbb1 /src
parent1a0f10f17a85afef20a2610104d590fb1e41cffa (diff)
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Hey, got the formatter working, that's something. I really like it so far,
lets see how nice we can really make it.
Diffstat (limited to '')
-rw-r--r--src/formatter.cpp197
-rw-r--r--src/formatter.h158
-rw-r--r--src/sio.cpp5
-rw-r--r--src/sio.h13
-rw-r--r--src/tests/stdstream.cpp21
5 files changed, 394 insertions, 0 deletions
diff --git a/src/formatter.cpp b/src/formatter.cpp
new file mode 100644
index 0000000..c6ae3b7
--- /dev/null
+++ b/src/formatter.cpp
@@ -0,0 +1,197 @@
1#include "formatter.h"
2
3Bu::Formatter::Formatter( Stream &rOut ) :
4 rOut( rOut )
5{
6}
7
8Bu::Formatter::~Formatter()
9{
10}
11
12void Bu::Formatter::write( const Bu::FString &sStr )
13{
14 rOut.write( sStr );
15}
16
17void Bu::Formatter::write( const char *sStr, int iLen )
18{
19 rOut.write( sStr, iLen );
20}
21
22void Bu::Formatter::writeAligned( const Bu::FString &sStr )
23{
24 int iLen = sStr.getSize();
25 if( iLen > fLast.uMinWidth )
26 {
27 write( sStr );
28 }
29 else
30 {
31 int iRem = fLast.uMinWidth - iLen;
32 switch( fLast.uAlign )
33 {
34 case Fmt::Right:
35 for( int k = 0; k < iRem; k++ )
36 write(" ", 1 );
37 write( sStr );
38 break;
39
40 case Fmt::Center:
41 {
42 int iHlf = iRem/2;
43 for( int k = 0; k < iHlf; k++ )
44 write(" ", 1 );
45 write( sStr );
46 iHlf = iRem-iHlf;;
47 for( int k = 0; k < iHlf; k++ )
48 write(" ", 1 );
49 }
50 break;
51
52 case Fmt::Left:
53 write( sStr );
54 for( int k = 0; k < iRem; k++ )
55 write(" ", 1 );
56 break;
57 }
58 }
59
60 usedFormat();
61}
62
63void Bu::Formatter::writeAligned( const char *sStr, int iLen )
64{
65 if( iLen > fLast.uMinWidth )
66 {
67 write( sStr, iLen );
68 }
69 else
70 {
71 int iRem = fLast.uMinWidth - iLen;
72 switch( fLast.uAlign )
73 {
74 case Fmt::Right:
75 for( int k = 0; k < iRem; k++ )
76 write(" ", 1 );
77 write( sStr, iLen );
78 break;
79
80 case Fmt::Center:
81 {
82 int iHlf = iRem/2;
83 for( int k = 0; k < iHlf; k++ )
84 write(" ", 1 );
85 write( sStr, iLen );
86 iHlf = iRem-iHlf;;
87 for( int k = 0; k < iHlf; k++ )
88 write(" ", 1 );
89 }
90 break;
91
92 case Fmt::Left:
93 write( sStr, iLen );
94 for( int k = 0; k < iRem; k++ )
95 write(" ", 1 );
96 break;
97 }
98 }
99
100 usedFormat();
101}
102
103Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const Bu::Formatter::Fmt &f )
104{
105 rOut.setTempFormat( f );
106 return rOut;
107}
108
109Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, Bu::Formatter::Special s )
110{
111 switch( s )
112 {
113 case Formatter::nl:
114 rOut.write("\n", 1 );
115 break;
116 }
117 return rOut;
118}
119
120Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const char *sStr )
121{
122 rOut.writeAligned( sStr, strlen( sStr ) );
123 return rOut;
124}
125
126Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const Bu::FString &sStr )
127{
128 rOut.writeAligned( sStr );
129 return rOut;
130}
131
132Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed char c )
133{
134 rOut.write( (char *)&c, 1 );
135 return rOut;
136}
137
138Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, char c )
139{
140 rOut.write( (char *)&c, 1 );
141 return rOut;
142}
143
144Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned char c )
145{
146 rOut.write( (char *)&c, 1 );
147 return rOut;
148}
149
150Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed short i )
151{
152 rOut.ifmt<signed short>( i );
153 return rOut;
154}
155
156Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned short i )
157{
158 rOut.ufmt<unsigned short>( i );
159 return rOut;
160}
161
162Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed int i )
163{
164 rOut.ifmt<signed int>( i );
165 return rOut;
166}
167
168Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned int i )
169{
170 rOut.ufmt<unsigned int>( i );
171 return rOut;
172}
173
174Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed long i )
175{
176 rOut.ifmt<signed long>( i );
177 return rOut;
178}
179
180Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned long i )
181{
182 rOut.ufmt<unsigned long>( i );
183 return rOut;
184}
185
186Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed long long i )
187{
188 rOut.ifmt<signed long long>( i );
189 return rOut;
190}
191
192Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned long long i )
193{
194 rOut.ufmt<unsigned long long>( i );
195 return rOut;
196}
197
diff --git a/src/formatter.h b/src/formatter.h
new file mode 100644
index 0000000..168f48f
--- /dev/null
+++ b/src/formatter.h
@@ -0,0 +1,158 @@
1#ifndef BU_FORMATTER_H
2#define BU_FORMATTER_H
3
4#include "stream.h"
5
6namespace Bu
7{
8 class Formatter
9 {
10 public:
11 Formatter( Stream &rOut );
12 virtual ~Formatter();
13
14 typedef struct Fmt
15 {
16 enum Alignment
17 {
18 Left = 0,
19 Center = 1,
20 Right = 2
21 };
22 Fmt() :
23 uMinWidth( 0 ),
24 uRadix( 10 ),
25 uAlign( Right ),
26 bPlus( false ),
27 bCaps( false )
28 {
29 }
30
31 Fmt( unsigned int uMinWidth, unsigned int uRadix=10,
32 Alignment a=Right, bool bPlus=false ) :
33 uMinWidth( uMinWidth ),
34 uRadix( uRadix ),
35 uAlign( a ),
36 bPlus( bPlus ),
37 bCaps( false )
38 {
39 }
40
41 unsigned int uMinWidth : 8;
42 unsigned int uRadix : 6;
43 unsigned int uAlign : 2;
44 unsigned int bPlus : 1;
45 unsigned int bCaps : 1;
46 } Fmt;
47
48 void write( const Bu::FString &sStr );
49 void write( const char *sStr, int iLen );
50 void writeAligned( const Bu::FString &sStr );
51 void writeAligned( const char *sStr, int iLen );
52
53 void setFormat( const Fmt &f )
54 {
55 fLast = f;
56 bTempFmt = false;
57 }
58
59 void setTempFormat( const Fmt &f )
60 {
61 fLast = f;
62 bTempFmt = true;
63 }
64
65 void usedFormat()
66 {
67 if( bTempFmt )
68 fLast = Fmt();
69 }
70
71 template<typename type>
72 void ifmt( type i )
73 {
74 // This code is taken from Nango, hopefully we can make it better.
75 bool bNeg = i<0;
76 char buf[sizeof(type)*8+1];
77 if( bNeg ) i = -i;
78 if( fLast.uRadix < 2 || fLast.uRadix > 36 )
79 {
80 usedFormat();
81 return;
82 }
83
84 for( int j = sizeof(type)*8; j >= 0; j-- )
85 {
86 int c = i%fLast.uRadix;
87 i /= fLast.uRadix;
88 buf[j] = (char)((c<10)?('0'+c):('A'+c-10));
89 if( i == 0 )
90 {
91 if( bNeg ) buf[--j] = '-';
92 else if( fLast.bPlus ) buf[--j] = '+';
93 writeAligned( buf+j, sizeof(type)*8-j+1 );
94
95 return;
96 }
97 }
98 usedFormat();
99 }
100
101 template<typename type>
102 void ufmt( type i )
103 {
104 // This code is taken from Nango, hopefully we can make it better.
105 char buf[sizeof(type)*8+1];
106 if( fLast.uRadix < 2 || fLast.uRadix > 36 )
107 {
108 usedFormat();
109 return;
110 }
111
112 for( int j = sizeof(type)*8; j >= 0; j-- )
113 {
114 int c = i%fLast.uRadix;
115 i /= fLast.uRadix;
116 buf[j] = (char)((c<10)?('0'+c):('A'+c-10));
117 if( i == 0 )
118 {
119 if( fLast.bPlus ) buf[--j] = '+';
120 writeAligned( buf+j, sizeof(type)*8-j+1 );
121
122 return;
123 }
124 }
125 usedFormat();
126 }
127
128 enum Special
129 {
130 nl
131 };
132
133 private:
134 Stream &rOut;
135 Fmt fLast;
136 bool bTempFmt;
137 };
138
139 typedef Formatter::Fmt Fmt;
140
141 Formatter &operator<<( Formatter &rOut, const Formatter::Fmt &f );
142 Formatter &operator<<( Formatter &rOut, Formatter::Special s );
143 Formatter &operator<<( Formatter &rOut, const char *sStr );
144 Formatter &operator<<( Formatter &rOut, const Bu::FString &sStr );
145 Formatter &operator<<( Formatter &rOut, signed char c );
146 Formatter &operator<<( Formatter &rOut, char c );
147 Formatter &operator<<( Formatter &rOut, unsigned char c );
148 Formatter &operator<<( Formatter &rOut, signed short i );
149 Formatter &operator<<( Formatter &rOut, unsigned short i );
150 Formatter &operator<<( Formatter &rOut, signed int i );
151 Formatter &operator<<( Formatter &rOut, unsigned int i );
152 Formatter &operator<<( Formatter &rOut, signed long i );
153 Formatter &operator<<( Formatter &rOut, unsigned long i );
154 Formatter &operator<<( Formatter &rOut, signed long long i );
155 Formatter &operator<<( Formatter &rOut, unsigned long long i );
156};
157
158#endif
diff --git a/src/sio.cpp b/src/sio.cpp
new file mode 100644
index 0000000..2e72fd9
--- /dev/null
+++ b/src/sio.cpp
@@ -0,0 +1,5 @@
1#include "bu/sio.h"
2
3Bu::StdStream Bu::sioRaw;
4Bu::Formatter Bu::sio( Bu::sioRaw );
5
diff --git a/src/sio.h b/src/sio.h
new file mode 100644
index 0000000..298e786
--- /dev/null
+++ b/src/sio.h
@@ -0,0 +1,13 @@
1#ifndef BU_SIO_H
2#define BU_SIO_H
3
4#include "bu/stdstream.h"
5#include "bu/formatter.h"
6
7namespace Bu
8{
9 extern Bu::StdStream sioRaw;
10 extern Bu::Formatter sio;
11};
12
13#endif
diff --git a/src/tests/stdstream.cpp b/src/tests/stdstream.cpp
new file mode 100644
index 0000000..d67f9b8
--- /dev/null
+++ b/src/tests/stdstream.cpp
@@ -0,0 +1,21 @@
1#include "bu/sio.h"
2
3int main()
4{
5 Bu::sio << "Hello there" << Bu::sio.nl;
6
7 Bu::sio << "sizeof(Fmt) = " << sizeof(Bu::Fmt) << Bu::sio.nl;
8
9 Bu::sio << -123 << ", " << 0 << ", " << 123 << Bu::sio.nl;
10
11 Bu::sio << "+----------+" << Bu::sio.nl;
12 Bu::sio << "|" << Bu::Fmt( 10, 10, Bu::Fmt::Center ) << "Test" << "|" << Bu::sio.nl;
13 Bu::sio << "+----------+" << Bu::sio.nl;
14 Bu::sio << "|" << Bu::Fmt( 10, 10, Bu::Fmt::Left ) << 123 << "|" << Bu::sio.nl;
15 Bu::sio << "|" << Bu::Fmt( 10, 10, Bu::Fmt::Center ) << 123 << "|" << Bu::sio.nl;
16 Bu::sio << "|" << Bu::Fmt( 10, 10, Bu::Fmt::Right ) << 123 << "|" << Bu::sio.nl;
17 Bu::sio << "+----------+" << Bu::sio.nl;
18
19 return 0;
20}
21
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