DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (31ec81b5d7bb)

VCS Links

Line Code
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
/*  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 <cstring>
#include <cstdarg>
#include "Main.h"
#include "XmlTraceLog.h"


using namespace graphite2;

#ifndef DISABLE_TRACING

/*static*/ XmlTraceLog XmlTraceLog::sm_NullLog(NULL, NULL, GRLOG_NONE);
XmlTraceLog * XmlTraceLog::sLog = &sm_NullLog;

XmlTraceLog::XmlTraceLog(FILE * file, const char * ns, GrLogMask logMask)
                         : m_file(file), m_depth(0), m_mask(logMask)
{
    if (!m_file) return;
    int deep = 0;
#ifdef ENABLE_DEEP_TRACING
    deep = 1;
#endif
    fprintf(m_file, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<%s xmlns=\"%s\" mask=\"%x\" deep=\"%d\">",
            xmlTraceLogElements[ElementTopLevel].mName, ns, logMask, deep);
    m_elementStack[m_depth++] = ElementTopLevel;
    m_elementEmpty = true;
    m_inElement = false;
    m_lastNodeText = false;
}

XmlTraceLog::~XmlTraceLog()
{
    if (m_file && m_file != stdout && m_file != stderr)
    {
        assert(m_depth == 1);
        while (m_depth > 0)
        {
            closeElement(m_elementStack[m_depth-1]);
        }
        fclose(m_file);
        m_file = NULL;
    }
}

void XmlTraceLog::addSingleElement(XmlTraceLogElement eId, const int value)
{
    if (!m_file) return;
    if (m_inElement)
    {
        if (xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
            fprintf(m_file, ">");
    }
    if (xmlTraceLogElements[eId].mFlags & m_mask)
    {
        if (!m_lastNodeText)
        {
            fprintf(m_file, "\n");
            for (size_t i = 0; i < m_depth; i++)
            {
                fprintf(m_file, " ");
            }
        }
        fprintf(m_file, "<%s val=\"%d\"/>", xmlTraceLogElements[eId].mName, value);
    }
    m_inElement = false;
    m_lastNodeText = false;
}
    
void XmlTraceLog::writeElementArray(XmlTraceLogElement eId, XmlTraceLogAttribute aId, int16 values [], size_t length)
{
    if (!m_file) return;
    if (xmlTraceLogElements[eId].mFlags & m_mask)
    {
        if(m_inElement && xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
        {
            fprintf(m_file, ">");
            m_inElement = false;
        }
        // line break after 5 columns
        for (size_t i = 0; i < length; i++)
        {
            if (i % 5 == 0)
            {
                fprintf(m_file, "\n");
                for (size_t j = 0; j < m_depth; j++)
                {
                    fprintf(m_file, " ");
                }
            }
            fprintf(m_file, "<%s index=\"%d\" %s=\"%d\"/>", xmlTraceLogElements[eId].mName, int(i),
                xmlTraceLogAttributes[aId], (int)values[i]);
        }
    }
}

void XmlTraceLog::writeText(const char * utf8)
{
    if (!m_file) return;
    if (m_inElement)
    {
        if (xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
        {
            fprintf(m_file, ">");
        }
        m_inElement = false;
    }
    if (xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
    {
        escapeIfNeeded(utf8);
    }
    m_lastNodeText = true;
}

void XmlTraceLog::writeUnicode(const uint32 code)
{
    if (!m_file) return;
    if (m_inElement)
    {
        if (xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
        {
            fprintf(m_file, ">");
        }
        m_inElement = false;
    }
    if (xmlTraceLogElements[m_elementStack[m_depth-1]].mFlags & m_mask)
    {
        fprintf(m_file, "&#x%02x;", code);
    }
    m_lastNodeText = true;
}

void XmlTraceLog::escapeIfNeeded(const char * data)
{
    size_t length = strlen(data);
    for (size_t i = 0; i < length; i++)
    {
        switch (data[i])
        {
            case '<':
                fprintf(m_file, "&lt;");
                break;
            case '>':
                fprintf(m_file, "&gt;");
                break;
            case '&':
                fprintf(m_file, "&amp;");
                break;
            case '"':
                fprintf(m_file, "&#34;");
                break;
            default:
                fprintf(m_file, "%c", data[i]);
        }
    }
}

static const int MAX_MSG_LEN = 1024;

void XmlTraceLog::error(const char * msg, ...)
{
    if (!m_file) return;
    openElement(ElementError);
    va_list args;
    va_start(args, msg);
    char buffer[MAX_MSG_LEN];
#ifndef NDEBUG
    int len =
#endif
        vsnprintf(buffer, MAX_MSG_LEN, msg, args);
    assert(len + 1 < MAX_MSG_LEN);
    writeText(buffer);
    va_end(args);
    closeElement(ElementError);
}

void XmlTraceLog::warning(const char * msg, ...)
{
    if (!m_file) return;
    openElement(ElementWarning);
    va_list args;
    va_start(args, msg);
    char buffer[MAX_MSG_LEN];
#ifndef NDEBUG
    int len =
#endif
        vsnprintf(buffer, MAX_MSG_LEN, msg, args);
    assert(len + 1 < MAX_MSG_LEN);
    writeText(buffer);
    va_end(args);
    closeElement(ElementWarning);
}

#endif		//!DISABLE_TRACING