mirror of https://github.com/KLayout/klayout.git
419 lines
8.9 KiB
C++
419 lines
8.9 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2017 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "laySaltGrain.h"
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#include "tlString.h"
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#include "tlXMLParser.h"
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#include "tlHttpStream.h"
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#include <QDir>
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#include <QFileInfo>
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#include <QBuffer>
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#include <QResource>
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namespace lay
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{
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static const std::string grain_filename = "grain.xml";
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SaltGrain::SaltGrain ()
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{
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// .. nothing yet ..
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}
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bool
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SaltGrain::operator== (const SaltGrain &other) const
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{
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return m_name == other.m_name &&
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m_path == other.m_path &&
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m_version == other.m_version &&
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m_url == other.m_url &&
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m_title == other.m_title &&
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m_doc == other.m_doc &&
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m_doc_url == other.m_doc_url &&
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m_icon == other.m_icon &&
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m_screenshot == other.m_screenshot &&
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m_dependencies == other.m_dependencies &&
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m_author == other.m_author &&
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m_author_contact == other.m_author_contact &&
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m_license == other.m_license &&
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m_authored_time == other.m_authored_time &&
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m_installed_time == other.m_installed_time;
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}
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void
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SaltGrain::set_name (const std::string &n)
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{
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m_name = n;
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}
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void
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SaltGrain::set_version (const std::string &v)
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{
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m_version = v;
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}
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void
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SaltGrain::set_path (const std::string &p)
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{
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m_path = p;
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}
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void
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SaltGrain::set_url (const std::string &u)
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{
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m_url = u;
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}
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void
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SaltGrain::set_title (const std::string &t)
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{
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m_title = t;
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}
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void
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SaltGrain::set_doc (const std::string &t)
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{
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m_doc = t;
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}
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void
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SaltGrain::set_doc_url (const std::string &u)
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{
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m_doc_url = u;
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}
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void
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SaltGrain::set_author (const std::string &a)
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{
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m_author = a;
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}
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void
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SaltGrain::set_author_contact (const std::string &a)
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{
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m_author_contact = a;
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}
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void
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SaltGrain::set_license (const std::string &l)
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{
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m_license = l;
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}
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void
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SaltGrain::set_authored_time (const QDateTime &t)
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{
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m_authored_time = t;
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}
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void
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SaltGrain::set_installed_time (const QDateTime &t)
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{
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m_installed_time = t;
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}
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void
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SaltGrain::set_screenshot (const QImage &i)
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{
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m_screenshot = i;
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}
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void
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SaltGrain::set_icon (const QImage &i)
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{
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m_icon = i;
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}
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int
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SaltGrain::compare_versions (const std::string &v1, const std::string &v2)
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{
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tl::Extractor ex1 (v1.c_str ());
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tl::Extractor ex2 (v2.c_str ());
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while (true) {
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if (ex1.at_end () && ex2.at_end ()) {
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return 0;
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}
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int n1 = 0, n2 = 0;
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if (! ex1.at_end ()) {
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ex1.try_read (n1);
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}
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if (! ex2.at_end ()) {
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ex2.try_read (n2);
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}
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if (n1 != n2) {
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return n1 < n2 ? -1 : 1;
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}
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while (! ex1.at_end ()) {
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char c = *ex1;
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++ex1;
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if (c == '.') {
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break;
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}
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}
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while (! ex2.at_end ()) {
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char c = *ex2;
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++ex2;
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if (c == '.') {
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break;
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}
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}
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}
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}
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std::string
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SaltGrain::spec_url (const std::string &url)
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{
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std::string res = url;
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if (! res.empty()) {
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if (res [res.size () - 1] != '/') {
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res += "/";
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}
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res += grain_filename;
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}
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return res;
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}
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bool
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SaltGrain::valid_name (const std::string &n)
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{
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std::string res;
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tl::Extractor ex (n);
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std::string s;
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if (! ex.try_read_word (s, "_")) {
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return false;
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}
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res += s;
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while (! ex.at_end ()) {
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if (! ex.test ("/")) {
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return false;
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}
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if (! ex.try_read_word (s, "_")) {
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return false;
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}
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res += "/";
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res += s;
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}
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// this captures the cases where the extractor skips blanks
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// TODO: the extractor should have a "non-blank-skipping" mode
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return res == n;
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}
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bool
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SaltGrain::valid_version (const std::string &v)
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{
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tl::Extractor ex (v.c_str ());
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while (! ex.at_end ()) {
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int n = 0;
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if (! ex.try_read (n)) {
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return false;
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}
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if (! ex.at_end ()) {
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if (*ex != '.') {
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return false;
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} else {
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++ex;
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}
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}
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}
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return true;
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}
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struct TimeConverter
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{
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std::string to_string (const QDateTime &time) const
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{
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if (time.isNull ()) {
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return std::string ();
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} else {
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return tl::to_string (time.toString (Qt::ISODate));
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}
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}
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void from_string (const std::string &time, QDateTime &res) const
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{
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if (time.empty ()) {
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res = QDateTime ();
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} else {
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res = QDateTime::fromString (tl::to_qstring (time), Qt::ISODate);
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}
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}
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};
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struct ImageConverter
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{
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std::string to_string (const QImage &image) const
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{
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if (image.isNull ()) {
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return std::string ();
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} else {
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QBuffer buffer;
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buffer.open (QIODevice::WriteOnly);
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image.save (&buffer, "PNG");
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buffer.close ();
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return buffer.buffer ().toBase64 ().constData ();
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}
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}
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void from_string (const std::string &image, QImage &res) const
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{
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if (image.empty ()) {
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res = QImage ();
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} else {
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res = QImage::fromData (QByteArray::fromBase64 (QByteArray (image.c_str (), image.size ())));
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}
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}
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};
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static tl::XMLElementList s_xml_elements =
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tl::make_member (&SaltGrain::name, &SaltGrain::set_name, "name") +
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tl::make_member (&SaltGrain::version, &SaltGrain::set_version, "version") +
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tl::make_member (&SaltGrain::title, &SaltGrain::set_title, "title") +
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tl::make_member (&SaltGrain::doc, &SaltGrain::set_doc, "doc") +
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tl::make_member (&SaltGrain::doc_url, &SaltGrain::set_doc_url, "doc-url") +
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tl::make_member (&SaltGrain::url, &SaltGrain::set_url, "url") +
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tl::make_member (&SaltGrain::license, &SaltGrain::set_license, "license") +
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tl::make_member (&SaltGrain::author, &SaltGrain::set_author, "author") +
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tl::make_member (&SaltGrain::author_contact, &SaltGrain::set_author_contact, "author-contact") +
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tl::make_member (&SaltGrain::authored_time, &SaltGrain::set_authored_time, "authored-time", TimeConverter ()) +
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tl::make_member (&SaltGrain::installed_time, &SaltGrain::set_installed_time, "installed-time", TimeConverter ()) +
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tl::make_member (&SaltGrain::icon, &SaltGrain::set_icon, "icon", ImageConverter ()) +
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tl::make_member (&SaltGrain::screenshot, &SaltGrain::set_screenshot, "screenshot", ImageConverter ()) +
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tl::make_element (&SaltGrain::begin_dependencies, &SaltGrain::end_dependencies, &SaltGrain::add_dependency, "depends",
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tl::make_member (&SaltGrain::Dependency::name, "name") +
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tl::make_member (&SaltGrain::Dependency::url, "url") +
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tl::make_member (&SaltGrain::Dependency::version, "version")
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);
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static tl::XMLStruct<lay::SaltGrain> s_xml_struct ("salt-grain", s_xml_elements);
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tl::XMLElementList &
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SaltGrain::xml_struct ()
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{
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return s_xml_elements;
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}
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bool
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SaltGrain::is_readonly () const
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{
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return !QFileInfo (tl::to_qstring (path ())).isWritable ();
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}
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void
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SaltGrain::load (const std::string &p)
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{
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tl_assert (!p.empty ());
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if (p[0] != ':') {
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tl::XMLFileSource source (p);
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s_xml_struct.parse (source, *this);
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} else {
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QResource res (tl::to_qstring (p));
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QByteArray data;
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if (res.isCompressed ()) {
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data = qUncompress ((const unsigned char *)res.data (), (int)res.size ());
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} else {
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data = QByteArray ((const char *)res.data (), (int)res.size ());
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}
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std::string str_data (data.constData (), data.size ());
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tl::XMLStringSource source (str_data);
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s_xml_struct.parse (source, *this);
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}
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}
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void
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SaltGrain::load (tl::InputStream &p)
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{
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tl::XMLStreamSource source (p);
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s_xml_struct.parse (source, *this);
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}
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void
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SaltGrain::save () const
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{
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save (tl::to_string (QDir (tl::to_qstring (path ())).filePath (tl::to_qstring (grain_filename))));
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}
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void
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SaltGrain::save (const std::string &p) const
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{
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tl::OutputStream os (p, tl::OutputStream::OM_Plain);
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s_xml_struct.write (os, *this);
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}
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SaltGrain
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SaltGrain::from_path (const std::string &path)
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{
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QDir dir (tl::to_qstring (path));
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SaltGrain g;
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g.load (tl::to_string (dir.filePath (tl::to_qstring (grain_filename))));
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g.set_path (tl::to_string (dir.absolutePath ()));
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return g;
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}
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SaltGrain
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SaltGrain::from_url (const std::string &url)
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{
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tl::InputHttpStream http (SaltGrain::spec_url (url));
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tl::InputStream stream (http);
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SaltGrain g;
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g.load (stream);
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g.set_url (url);
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return g;
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}
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bool
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SaltGrain::is_grain (const std::string &path)
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{
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tl_assert (! path.empty ());
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if (path[0] != ':') {
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QDir dir (tl::to_qstring (path));
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QString gf = dir.filePath (tl::to_qstring (grain_filename));
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return QFileInfo (gf).exists ();
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} else {
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return QResource (tl::to_qstring (path + "/" + grain_filename)).isValid ();
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}
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}
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}
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