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/*
* CodeQuery
* Copyright (C) 2013-2016 ruben2020 https://github.com/ruben2020/
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
// Cscope database header
#include "csdbheader.h"
#include <stdlib.h>
csdbheader::csdbheader()
:m_csdbver(0)
,m_trailer_start(0)
{
}
csdbheader::csdbheader(tStr hdr)
:m_csdbver(0)
,m_trailer_start(0)
{
m_header = hdr;
}
void csdbheader::set_header(tStr hdr)
{
m_header = hdr;
}
void csdbheader::set_header(const char* hdr)
{
m_header = hdr;
}
bool csdbheader::parse(void)
{
size_t pos;
m_param_list.clear();
if (m_header.empty()) return false;
// Header should be at least 19 bytes long and starts with "cscope "
if ((m_header.length() <19)||(m_header.compare(0, strlen("cscope "), "cscope ") != 0))
{return false;}
// Get the cscope version used to build the database
// Assuming it is 2 digits always
m_csdbver = strtol(m_header.substr(7, 2).c_str(), NULL, 10);
// Get the trailer start position
pos = m_header.find_last_of((char) ' ');
m_trailer_start = strtol(m_header.substr(pos + 1).c_str(), NULL, 10);
// Get rid of "cscope nn " and trailer start pos
m_header = m_header.substr(10, pos - 10);
// Get the first position of a param
pos = m_header.find((const char*) " -");
// if no params, then whole string is db path
if (pos == std::string::npos)
{
m_base_path = m_header.substr(0);
// Trim db path
pos = m_base_path.find_last_not_of((char) ' ') + 1;
m_base_path = m_base_path.substr(0, pos);
// If the last char of base path is \", remove it
// Cannot remember why I needed to do this
if (*(m_base_path.rbegin()) == '\"') m_base_path.erase(m_base_path.end() - 1);
return true;
}
// Get db path
m_base_path = m_header.substr(0, pos);
// Get rid of db path
m_header = m_header.substr(pos);
// Trim db path
pos = m_base_path.find_last_not_of((char) ' ') + 1;
m_base_path = m_base_path.substr(0, pos);
// If the last char of base path is \", remove it
// Cannot remember why I needed to do this
if (*(m_base_path.rbegin()) == '\"') m_base_path.erase(m_base_path.end() - 1);
// Prepare a list of params
pos = 0;
tStr s;
while ((pos != std::string::npos) && (pos < m_header.length()))
{
pos = m_header.find((char) '-', pos);
if (pos != std::string::npos)
{
pos++;
s = m_header.at(pos);
m_param_list.push_back(s);
}
}
return true;
}
long int csdbheader::get_version(void)
{
return m_csdbver;
}
tStr csdbheader::get_base_path(void)
{
return m_base_path;
}
tVecStr csdbheader::get_param_list(void)
{
return m_param_list;
}
long int csdbheader::get_trailer_start(void)
{
return m_trailer_start;
}
void csdbheader::print_contents(void)
{
unsigned int i;
printf("Ver= %lu\nPath= \"%s\"\nTrailer start= %lu\nParam list= ", m_csdbver, m_base_path.c_str(), m_trailer_start);
for (i=0; i< m_param_list.size(); i++)
{
printf("\"%s\", ", m_param_list[i].c_str());
}
printf("\n\n");
}
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