summaryrefslogtreecommitdiff
path: root/common/search_stack.cpp
blob: 9982f4147f161d30d0b1c032f2660618e5c48431 (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
/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * Copyright (C) 2014-2015 KiCad Developers, see CHANGELOG.TXT for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include <macros.h>
#include <search_stack.h>
#include <wx/tokenzr.h>


#if defined(__MINGW32__)
 #define PATH_SEPS          wxT( ";\r\n" )
#else
 #define PATH_SEPS          wxT( ":;\r\n" )       // unix == linux | mac
#endif


int SEARCH_STACK::Split( wxArrayString* aResult, const wxString aPathString )
{
    wxStringTokenizer   tokenizer( aPathString, PATH_SEPS, wxTOKEN_STRTOK );

    while( tokenizer.HasMoreTokens() )
    {
        wxString path = tokenizer.GetNextToken();

        aResult->Add( path );
    }

    return aResult->GetCount();
}


// Convert aRelativePath to an absolute path based on aBaseDir
static wxString base_dir( const wxString& aRelativePath, const wxString& aBaseDir )
{
    wxFileName fn = aRelativePath;

    if( !fn.IsAbsolute() && !!aBaseDir )
    {
        wxASSERT_MSG( wxFileName( aBaseDir ).IsAbsolute(), wxT( "Must pass absolute path in aBaseDir" ) );
        fn.MakeRelativeTo( aBaseDir );
    }

    return fn.GetFullPath();
}


wxString SEARCH_STACK::FilenameWithRelativePathInSearchList(
        const wxString& aFullFilename, const wxString& aBaseDir )
{
    wxFileName fn = aFullFilename;
    wxString   filename = aFullFilename;

    unsigned   pathlen  = fn.GetPath().Len();   // path len, used to find the better (shortest)
                                                // subpath within defaults paths

    for( unsigned kk = 0; kk < GetCount(); kk++ )
    {
        fn = aFullFilename;

        // Search for the shortest subpath within 'this':
        if( fn.MakeRelativeTo( base_dir( (*this)[kk], aBaseDir ) ) )
        {
            if( fn.GetPathWithSep().StartsWith( wxT("..") ) )  // Path outside kicad libs paths
                continue;

            if( pathlen > fn.GetPath().Len() )    // A better (shortest) subpath is found
            {
                filename = fn.GetPathWithSep() + fn.GetFullName();
                pathlen  = fn.GetPath().Len();
            }
        }
    }

    return filename;
}


void SEARCH_STACK::RemovePaths( const wxString& aPaths )
{
    bool            isCS = wxFileName::IsCaseSensitive();
    wxArrayString   paths;

    Split( &paths, aPaths );

    for( unsigned i=0; i<paths.GetCount();  ++i )
    {
        wxString path = paths[i];

        if( Index( path, isCS ) != wxNOT_FOUND )
        {
            Remove( path );
        }
    }
}


void SEARCH_STACK::AddPaths( const wxString& aPaths, int aIndex )
{
    bool            isCS = wxFileName::IsCaseSensitive();
    wxArrayString   paths;

    Split( &paths, aPaths );

    // appending all of them, on large or negative aIndex
    if( unsigned( aIndex ) >= GetCount() )
    {
        for( unsigned i=0; i<paths.GetCount();  ++i )
        {
            wxString path = paths[i];

            if( wxFileName::IsDirReadable( path )
                && Index( path, isCS ) == wxNOT_FOUND )
            {
                Add( path );
            }
        }
    }

    // inserting all of them:
    else
    {
        for( unsigned i=0; i<paths.GetCount();  ++i )
        {
            wxString path = paths[i];

            if( wxFileName::IsDirReadable( path )
                && Index( path, isCS ) == wxNOT_FOUND )
            {
                Insert( path, aIndex );
                aIndex++;
            }
        }
    }
}


#if 1       // this function is too convoluted for words.

const wxString SEARCH_STACK::LastVisitedPath( const wxString& aSubPathToSearch )
{
    wxString path;

    // Initialize default path to the main default lib path
    // this is the second path in list (the first is the project path).
    unsigned pcount = GetCount();

    if( pcount )
    {
        unsigned ipath = 0;

        if( (*this)[0] == wxGetCwd() )
            ipath = 1;

        // First choice of path:
        if( ipath < pcount )
            path = (*this)[ipath];

        // Search a sub path matching this SEARCH_PATH
        if( !IsEmpty() )
        {
            for( ; ipath < pcount; ipath++ )
            {
                if( (*this)[ipath].Contains( aSubPathToSearch ) )
                {
                    path = (*this)[ipath];
                    break;
                }
            }
        }
    }

    if( path.IsEmpty() )
        path = wxGetCwd();

    return path;
}
#endif


#if defined(DEBUG)
void SEARCH_STACK::Show( const wxString& aPrefix ) const
{
    wxLogDebug( wxT( "%s SEARCH_STACK:" ), GetChars( aPrefix ) );

    for( unsigned i=0;  i<GetCount();  ++i )
    {
        wxLogDebug( wxT( "  [%2u]:%s" ), i, TO_UTF8( (*this)[i] ) );
    }
}
#endif