116 lines
2.0 KiB
C++
116 lines
2.0 KiB
C++
/*
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* Copyright 2013 (c) Anna Schumaker.
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*/
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#include <core/error.h>
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#include <core/file.h>
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#include <glib.h>
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#ifdef CONFIG_TEST
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const std::string OCARINA_DIR = "ocarina-test";
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#elif CONFIG_DEBUG
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const std::string OCARINA_DIR = "ocarina-debug";
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#else
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const std::string OCARINA_DIR = "ocarina";
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#endif
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File :: File(const std::string &name, unsigned int vers)
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: mode(NOT_OPEN), filename(name), version(vers), prev_version(0)
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{
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}
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File :: ~File()
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{
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close();
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}
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const std::string File :: find_dir()
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{
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std::string res(g_get_user_data_dir());
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res += "/" + OCARINA_DIR;
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return res;
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}
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const std::string File :: get_filepath()
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{
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std::string res = "";
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if (filename != "") {
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res = find_dir();
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res += "/" + filename;
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}
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return res;
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}
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const unsigned int File :: get_version()
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{
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if (mode == OPEN_READ)
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return prev_version;
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return version;
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}
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bool File :: exists()
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{
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return g_file_test(get_filepath().c_str(), G_FILE_TEST_EXISTS);
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}
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bool File :: open_read()
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{
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if (!exists())
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return false;
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std::fstream::open(get_filepath().c_str(), std::fstream::in);
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if (std::fstream::fail())
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return false;
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mode = OPEN_READ;
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std::fstream::operator>>(prev_version);
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getline();
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return true;
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}
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bool File :: open_write()
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{
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if (g_mkdir_with_parents(find_dir().c_str(), 0755) != 0)
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return false;
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std::fstream::open(get_filepath().c_str(), std::fstream::out);
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if (std::fstream::fail())
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return false;
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mode = OPEN_WRITE;
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std::fstream::operator<<(version) << std::endl;
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return true;
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}
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bool File :: open(OpenMode m)
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{
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if ((filename == "") || (m == NOT_OPEN) || (mode != NOT_OPEN))
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return false;
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else if (m == OPEN_READ)
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return open_read();
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else /* m == OPEN_WRITE */
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return open_write();
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}
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void File :: close()
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{
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if (mode != NOT_OPEN)
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std::fstream::close();
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mode = NOT_OPEN;
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}
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std::string File :: getline()
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{
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char c;
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std::string res;
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/* Ignore leading whitespace */
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while (peek() == ' ')
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read(&c, 1);
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std::getline(*static_cast<std::fstream *>(this), res);
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return res;
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}
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