summaryrefslogtreecommitdiff
path: root/thirdparty/graphite/src/gr_logging.cpp
blob: 8f1e675e6286f60c47e00bf542107b8b3c6b109a (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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
/*  GRAPHITE2 LICENSING

    Copyright 2010, SIL International
    All rights reserved.

    This library is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published
    by the Free Software Foundation; either version 2.1 of 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
    Lesser General Public License for more details.

    You should also have received a copy of the GNU Lesser General Public
    License along with this library in the file named "LICENSE".
    If not, write to the Free Software Foundation, 51 Franklin Street,
    Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
    internet at http://www.fsf.org/licenses/lgpl.html.

Alternatively, the contents of this file may be used under the terms of the
Mozilla Public License (http://mozilla.org/MPL) or 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.
*/
#include <cstdio>

#include "graphite2/Log.h"
#include "inc/debug.h"
#include "inc/CharInfo.h"
#include "inc/Slot.h"
#include "inc/Segment.h"
#include "inc/json.h"
#include "inc/Collider.h"

#if defined _WIN32
#include "windows.h"
#endif

using namespace graphite2;

#if !defined GRAPHITE2_NTRACING
json *global_log = 0;
#endif

extern "C" {

bool gr_start_logging(GR_MAYBE_UNUSED gr_face * face, const char *log_path)
{
    if (!log_path)  return false;

#if !defined GRAPHITE2_NTRACING
    gr_stop_logging(face);
#if defined _WIN32
    int n = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, log_path, -1, 0, 0);
    if (n == 0 || n > MAX_PATH - 12) return false;

    LPWSTR wlog_path = gralloc<WCHAR>(n);
    if (!wlog_path) return false;
    FILE *log = 0;
    if (wlog_path && MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, log_path, -1, wlog_path, n))
        log = _wfopen(wlog_path, L"wt");

    free(wlog_path);
#else   // _WIN32
    FILE *log = fopen(log_path, "wt");
#endif  // _WIN32
    if (!log)   return false;

    if (face)
    {
        face->setLogger(log);
        if (!face->logger()) return false;

        *face->logger() << json::array;
#ifdef GRAPHITE2_TELEMETRY
        *face->logger() << face->tele;
#endif
    }
    else
    {
        global_log = new json(log);
        *global_log << json::array;
    }

    return true;
#else   // GRAPHITE2_NTRACING
    return false;
#endif  // GRAPHITE2_NTRACING
}

bool graphite_start_logging(FILE * /* log */, GrLogMask /* mask */)
{
//#if !defined GRAPHITE2_NTRACING
//  graphite_stop_logging();
//
//    if (!log) return false;
//
//    dbgout = new json(log);
//    if (!dbgout) return false;
//
//    *dbgout << json::array;
//    return true;
//#else
    return false;
//#endif
}

void gr_stop_logging(GR_MAYBE_UNUSED gr_face * face)
{
#if !defined GRAPHITE2_NTRACING
    if (face && face->logger())
    {
        FILE * log = face->logger()->stream();
        face->setLogger(0);
        fclose(log);
    }
    else if (!face && global_log)
    {
        FILE * log = global_log->stream();
        delete global_log;
        global_log = 0;
        fclose(log);
    }
#endif
}

void graphite_stop_logging()
{
//    if (dbgout) delete dbgout;
//    dbgout = 0;
}

} // extern "C"

#ifdef GRAPHITE2_TELEMETRY
size_t   * graphite2::telemetry::_category = 0UL;
#endif

#if !defined GRAPHITE2_NTRACING

#ifdef GRAPHITE2_TELEMETRY

json & graphite2::operator << (json & j, const telemetry & t) throw()
{
    j << json::object
            << "type"   << "telemetry"
            << "silf"   << t.silf
            << "states" << t.states
            << "starts" << t.starts
            << "transitions" << t.transitions
            << "glyphs" << t.glyph
            << "code"   << t.code
            << "misc"   << t.misc
            << "total"  << (t.silf + t.states + t.starts + t.transitions + t.glyph + t.code + t.misc)
        << json::close;
    return j;
}
#else
json & graphite2::operator << (json & j, const telemetry &) throw()
{
    return j;
}
#endif


json & graphite2::operator << (json & j, const CharInfo & ci) throw()
{
    return j << json::object
                << "offset"         << ci.base()
                << "unicode"        << ci.unicodeChar()
                << "break"          << ci.breakWeight()
                << "flags"          << ci.flags()
                << "slot" << json::flat << json::object
                    << "before" << ci.before()
                    << "after"  << ci.after()
                    << json::close
                << json::close;
}


json & graphite2::operator << (json & j, const dslot & ds) throw()
{
    assert(ds.first);
    assert(ds.second);
    const Segment & seg = *ds.first;
    const Slot & s = *ds.second;
    const SlotCollision *cslot = seg.collisionInfo(ds.second);

    j << json::object
        << "id"             << objectid(ds)
        << "gid"            << s.gid()
        << "charinfo" << json::flat << json::object
            << "original"       << s.original()
            << "before"         << s.before()
            << "after"          << s.after()
            << json::close
        << "origin"         << s.origin()
        << "shift"          << Position(float(s.getAttr(0, gr_slatShiftX, 0)),
                                        float(s.getAttr(0, gr_slatShiftY, 0)))
        << "advance"        << s.advancePos()
        << "insert"         << s.isInsertBefore()
        << "break"          << s.getAttr(&seg, gr_slatBreak, 0);
    if (s.just() > 0)
        j << "justification"    << s.just();
    if (s.getBidiLevel() > 0)
        j << "bidi"     << s.getBidiLevel();
    if (!s.isBase())
        j << "parent" << json::flat << json::object
            << "id"             << objectid(dslot(&seg, s.attachedTo()))
            << "level"          << s.getAttr(0, gr_slatAttLevel, 0)
            << "offset"         << s.attachOffset()
            << json::close;
    j << "user" << json::flat << json::array;
    for (int n = 0; n!= seg.numAttrs(); ++n)
        j   << s.userAttrs()[n];
    j       << json::close;
    if (s.firstChild())
    {
        j   << "children" << json::flat << json::array;
        for (const Slot *c = s.firstChild(); c; c = c->nextSibling())
            j   << objectid(dslot(&seg, c));
        j       << json::close;
    }
    if (cslot)
    {
		// Note: the reason for using Positions to lump together related attributes is to make the
		// JSON output slightly more compact.
        j << "collision" << json::flat << json::object
//              << "shift" << cslot->shift() -- not used pass level, only within the collision routine itself
              << "offset" << cslot->offset()
              << "limit" << cslot->limit()
              << "flags" << cslot->flags()
              << "margin" << Position(cslot->margin(), cslot->marginWt())
              << "exclude" << cslot->exclGlyph()
              << "excludeoffset" << cslot->exclOffset();
		if (cslot->seqOrder() != 0)
		{
			j << "seqclass" << Position(cslot->seqClass(), cslot->seqProxClass())
				<< "seqorder" << cslot->seqOrder()
				<< "seqabove" << Position(cslot->seqAboveXoff(), cslot->seqAboveWt())
				<< "seqbelow" << Position(cslot->seqBelowXlim(), cslot->seqBelowWt())
				<< "seqvalign" << Position(cslot->seqValignHt(), cslot->seqValignWt());
		}
        j << json::close;
    }
    return j << json::close;
}


graphite2::objectid::objectid(const dslot & ds) throw()
{
    const Slot * const p = ds.second;
    uint32 s = uint32(reinterpret_cast<size_t>(p));
    sprintf(name, "%.4x-%.2x-%.4hx", uint16(s >> 16), uint16(p ? p->userAttrs()[ds.first->silf()->numUser()] : 0), uint16(s));
    name[sizeof name-1] = 0;
}

graphite2::objectid::objectid(const Segment * const p) throw()
{
    uint32 s = uint32(reinterpret_cast<size_t>(p));
    sprintf(name, "%.4x-%.2x-%.4hx", uint16(s >> 16), 0, uint16(s));
    name[sizeof name-1] = 0;
}

#endif