summaryrefslogtreecommitdiffstats
path: root/kate/interfaces/katecmd.cpp
blob: ef356a6bbc9358529e80117cbad36ee3da30c9f0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
/* This file is part of the KDE libraries
   Copyright (C) 2001, 2003 Christoph Cullmann <[email protected]>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "katecmd.h"

#include <kstaticdeleter.h>
#include <kdebug.h>

//BEGIN KateCmd
#define CMD_HIST_LENGTH 256

KateCmd *KateCmd::s_self = 0;

KateCmd::KateCmd ()
{
}

KateCmd::~KateCmd ()
{
}

bool KateCmd::registerCommand (Kate::Command *cmd)
{
  TQStringList l = cmd->cmds ();

  for (uint z=0; z<l.count(); z++)
    if (m_dict[l[z]])
      return false;

  for (uint z=0; z<l.count(); z++) {
    m_dict.insert (l[z], cmd);
    kdDebug()<<"Inserted command:"<<l[z]<<endl;
  }

  m_cmds += l;

  return true;
}

bool KateCmd::unregisterCommand (Kate::Command *cmd)
{
  TQStringList l;
  TQDictIterator<Kate::Command> it(m_dict);
  for( ; it.current(); ++it )
    if (it.current()==cmd) l<<it.currentKey();
  for ( TQStringList::Iterator it1 = l.begin(); it1 != l.end(); ++it1 ) {
    m_dict.remove(*it1);
    kdDebug()<<"Removed command:"<<*it1<<endl;
  }
  return true;
}

Kate::Command *KateCmd::queryCommand (const TQString &cmd)
{
  // a command can be named ".*[\w\-]+" with the constrain that it must
  // contain at least one letter.
  uint f = 0;
  bool b = false;
  for ( ; f < cmd.length(); f++ )
  {
    if ( cmd[f].isLetter() )
      b = true;
    if ( b && ( ! cmd[f].isLetterOrNumber() && cmd[f] != '-' && cmd[f] != '_' ) )
      break;
  }
  return m_dict[cmd.left(f)];
}

TQStringList KateCmd::cmds ()
{
  return m_cmds;
}

static KStaticDeleter<KateCmd> sdCmd;

KateCmd *KateCmd::self ()
{
  if (!s_self)
    sdCmd.setObject(s_self, new KateCmd ());

  return s_self;
}

void KateCmd::appendHistory( const TQString &cmd )
{
  if ( !m_history.isEmpty() && m_history.last() == cmd )
    return;

  if ( m_history.count() == CMD_HIST_LENGTH )
    m_history.remove( m_history.first() );

  m_history.append( cmd );
}

const TQString KateCmd::fromHistory( uint index ) const
{
  if ( index > m_history.count() - 1 )
    return TQString();
  return m_history[ index ];
}
//END KateCmd

//BEGIN KateCmdShellCompletion
/*
   A lot of the code in the below class is copied from
   tdelibs/tdeio/tdeio/kshellcompletion.cpp
   Copyright (C) 2000 David Smith <[email protected]>
   Copyright (C) 2004 Anders Lund <[email protected]>
*/
KateCmdShellCompletion::KateCmdShellCompletion()
  : TDECompletion()
{
  m_word_break_char = ' ';
  m_quote_char1 = '\"';
  m_quote_char2 = '\'';
  m_escape_char = '\\';
}

TQString KateCmdShellCompletion::makeCompletion( const TQString &text )
{
        // Split text at the last unquoted space
  //
  splitText(text, m_text_start, m_text_compl);

  // Make completion on the last part of text
  //
  return TDECompletion::makeCompletion( m_text_compl );
}

void KateCmdShellCompletion::postProcessMatch( TQString *match ) const
{
  if ( match->isNull() )
    return;

  match->prepend( m_text_start );
}

void KateCmdShellCompletion::postProcessMatches( TQStringList *matches ) const
{
  for ( TQStringList::Iterator it = matches->begin();
        it != matches->end(); it++ )
    if ( !(*it).isNull() )
      (*it).prepend( m_text_start );
}

void KateCmdShellCompletion::postProcessMatches( TDECompletionMatches *matches ) const
{
  for ( TDECompletionMatches::Iterator it = matches->begin();
        it != matches->end(); it++ )
    if ( !(*it).value().isNull() )
      (*it).value().prepend( m_text_start );
}

void KateCmdShellCompletion::splitText(const TQString &text, TQString &text_start,
                                 TQString &text_compl) const
{
  bool in_quote = false;
  bool escaped = false;
  TQChar p_last_quote_char;
  int last_unquoted_space = -1;
  int end_space_len = 0;

  for (uint pos = 0; pos < text.length(); pos++) {

    end_space_len = 0;

    if ( escaped ) {
      escaped = false;
    }
    else if ( in_quote && text[pos] == p_last_quote_char ) {
      in_quote = false;
    }
    else if ( !in_quote && text[pos] == m_quote_char1 ) {
      p_last_quote_char = m_quote_char1;
      in_quote = true;
    }
    else if ( !in_quote && text[pos] == m_quote_char2 ) {
      p_last_quote_char = m_quote_char2;
      in_quote = true;
    }
    else if ( text[pos] == m_escape_char ) {
      escaped = true;
    }
    else if ( !in_quote && text[pos] == m_word_break_char ) {

      end_space_len = 1;

      while ( pos+1 < text.length() && text[pos+1] == m_word_break_char ) {
        end_space_len++;
        pos++;
      }

      if ( pos+1 == text.length() )
        break;

      last_unquoted_space = pos;
    }
  }

  text_start = text.left( last_unquoted_space + 1 );

  // the last part without trailing blanks
  text_compl = text.mid( last_unquoted_space + 1 );
}

//END KateCmdShellCompletion