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Clean-up: get rid of boost::filesystem

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Since C++17 we can use the std::filesystem instead (and we ''do use it'' indeed)
- relocate the `/lib/file.hpp` header
- adapt the self-discovery of the executable to using std::filesystem

Furthermore, some recherche regarding XVideo and Video Output
This commit is contained in:
Fischlurch 2025-04-27 23:54:21 +02:00
parent 555af315b3
commit c5292dd0dd
15 changed files with 231 additions and 64 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
admin/scons/Platform.py
View file

@ -82,10 +82,6 @@ def configure(env):
problems.append('We need boost::format (header).')
if not conf.CheckLibWithHeader('boost_program_options','boost/program_options.hpp','C++'):
problems.append('We need boost::program_options (including binary lib for linking).')
if not conf.CheckLibWithHeader('boost_system','boost/system/error_code.hpp','C++'):
problems.append('We need the boost::system support library (including binary lib).')
if not conf.CheckLibWithHeader('boost_filesystem','boost/filesystem.hpp','C++'):
problems.append('We need the boost::filesystem lib (including binary lib for linking).')
if not conf.CheckPkgConfig('gavl', '1.4'):

1
doc/technical/build/BuildDependencies.txt
View file

@ -65,7 +65,6 @@ Languages and Tools
- libboost-dev (at least *1.67*)
- libboost-program-options-dev
- libboost-program-options-dev
- libboost-filesystem-dev
* Script languages
- Python (*2.x*) might still be handy for build scripts.footnote:[SCons supports both Python 2.x

2
doc/user/tutorials/building.txt
View file

@ -71,7 +71,7 @@ For Debian based systems, e.g. Mint, Ubuntu..., you can install these packages a
-------------------------------------------------------------------------------------
sudo apt-get install build-essential scons git-core valgrind intltool \
libboost-dev libboost-program-options-dev libboost-regex-dev libboost-filesystem-dev \
libboost-dev libboost-program-options-dev \
libgavl-dev libgtkmm-3.0-dev libgdl-3-dev librsvg2-dev libxv-dev
-------------------------------------------------------------------------------------

2
doc/user/tutorials/contributing.txt
View file

@ -90,7 +90,7 @@ Packages normally available with your distribution::
+
-------------------------------------------------------------------------------------
sudo apt-get install build-essential scons git-core valgrind intltool \
libboost-dev libboost-program-options-dev libboost-regex-dev libboost-filesystem-dev \
libboost-dev libboost-program-options-dev \
libgavl-dev libgtkmm-3.0-dev libgdl-3-dev librsvg2-dev libxv-dev
-------------------------------------------------------------------------------------
Packages not normally part of your distribution::

5
src/common/basic-setup.cpp
View file

@ -27,12 +27,12 @@
#include "common/basic-setup.hpp"
#include "lib/searchpath.hpp"
#include "lib/error.hpp"
#include "lib/file.hpp"
#include "lib/util.hpp"
extern "C" {
#include <unistd.h>
}
#include <boost/filesystem.hpp>
#include <fstream>
@ -41,7 +41,6 @@ namespace lumiera {
using std::string;
using std::ifstream;
namespace fsys = boost::filesystem;
namespace opt = boost::program_options;
namespace { // details of the bootstrap process...
@ -53,7 +52,7 @@ namespace lumiera {
/** use the general mechanism for resolving a search path
* to get the absolute path of the \c setup.ini */
string
resolve (fsys::path iniSpec)
resolve (fs::path iniSpec)
{
string searchpath = iniSpec.parent_path().string(); ///////////TICKET #896
return resolveModulePath (iniSpec.filename(), searchpath);

2
src/lib/stat/file.cpp → src/lib/file.cpp
View file

@ -18,7 +18,7 @@
*/
#include "lib/stat/file.hpp"
#include "lib/file.hpp"
namespace std::filesystem {

10
src/lib/stat/file.hpp → src/lib/file.hpp
View file

@ -25,8 +25,8 @@
#ifndef LIB_STAT_FILE_H
#define LIB_STAT_FILE_H
#ifndef LIB_FILE_H
#define LIB_FILE_H
#include "lib/error.hpp"
@ -65,9 +65,7 @@ namespace std::filesystem {
if (UNIX_HOMEDIR_SYMBOL == *rawPath.begin())
rawPath = getHomePath() / rawPath.lexically_proximate(UNIX_HOMEDIR_SYMBOL);
return fs::exists(rawPath)? fs::absolute(
fs::canonical(rawPath))
: rawPath;
return fs::weakly_canonical(rawPath);
}
@ -116,4 +114,4 @@ namespace util {
};
}//(End)namespace util
#endif /*LIB_STAT_FILE_H*/
#endif /*LIB_FILE_H*/

29
src/lib/searchpath.cpp
View file

@ -40,20 +40,13 @@ namespace lib {
/** @internal helper to figure out the installation directory,
* as given by the absolute path of the currently executing program
* @warning this is Linux specific code */
string
fs::path
findExePath()
{
static string buff(lib::STRING_MAX_RELEVANT+1, '\0' );
if (!buff[0])
{
ssize_t chars_read = readlink (GET_PATH_TO_EXECUTABLE, &buff[0], lib::STRING_MAX_RELEVANT);
if (0 > chars_read || chars_read == ssize_t(lib::STRING_MAX_RELEVANT))
throw error::Fatal ("unable to discover path of running executable");
buff.resize(chars_read);
}
return buff;
fs::path selfExe{GET_PATH_TO_EXECUTABLE};
if (not fs::exists (selfExe))
throw error::Fatal ("unable to discover path of running executable");
return fs::canonical (selfExe);
}
@ -66,9 +59,9 @@ namespace lib {
{
static const regex PICK_ORIGIN_TOKEN ("\\$?ORIGIN/?");
static const string expandedOriginDir
= fsys::path (findExePath()).parent_path().string() + "/"; ///////////TICKET #896
= findExePath().parent_path().string() + "/"; ///////////TICKET #896
return regex_replace(src, PICK_ORIGIN_TOKEN, expandedOriginDir);
return regex_replace (src, PICK_ORIGIN_TOKEN, expandedOriginDir);
}
@ -76,16 +69,16 @@ namespace lib {
string
resolveModulePath (fsys::path moduleName, string searchPath)
resolveModulePath (fs::path moduleName, string searchPath)
{
fsys::path modulePathName (moduleName);
fs::path modulePathName (moduleName);
SearchPathSplitter searchLocation(searchPath); ///////////TICKET #896
while (!fsys::exists (modulePathName))
while (not fs::exists (modulePathName))
{
// try / continue search path
if (searchLocation.isValid())
modulePathName = fsys::path() / searchLocation.next() / moduleName;
modulePathName = fs::path() / searchLocation.next() / moduleName;
else
throw error::Config ("Module \""+moduleName.string()+"\" not found" /////TICKET #896
+ (searchPath.empty()? ".":" in search path: "+searchPath));

11
src/lib/searchpath.hpp
View file

@ -26,26 +26,25 @@
#include "lib/error.hpp"
#include "lib/nocopy.hpp"
#include "lib/regex.hpp"
#include "lib/file.hpp"
#include <boost/filesystem.hpp>
#include <string>
#include <regex>
namespace lib {
namespace error = lumiera::error;
using std::string;
using SubMatch = std::smatch::value_type const&;
namespace error = lumiera::error;
namespace fsys = boost::filesystem;
using LERR_(ITER_EXHAUST);
/** retrieve the location of the executable */
string findExePath();
fs::path findExePath();
/** replace $ORIGIN tokens in the given string
* @return copy with expansions applied */
@ -106,7 +105,7 @@ namespace lib {
* @return the absolute pathname of the module file found
* @throws error::Config when the resolution fails
*/
string resolveModulePath (fsys::path moduleName, string searchPath = "");
string resolveModulePath (fs::path moduleName, string searchPath = "");

2
src/lib/stat/data.hpp
View file

@ -82,7 +82,7 @@
#include "lib/error.hpp"
#include "lib/nocopy.hpp"
#include "lib/stat/csv.hpp"
#include "lib/stat/file.hpp"
#include "lib/file.hpp"
#include "lib/format-string.hpp"
#include "lib/util.hpp"

2
src/lib/test/temp-dir.hpp
View file

@ -25,9 +25,9 @@
#include "lib/error.hpp"
#include "lib/nocopy.hpp"
#include "lib/random.hpp"
#include "lib/stat/file.hpp"
#include "include/limits.hpp"
#include "lib/format-string.hpp"
#include "lib/file.hpp"
#include "lib/util.hpp"
#include <fstream>

6
src/stage/workspace/ui-style.cpp
View file

@ -27,10 +27,10 @@
#include "stage/style-scheme.hpp"
#include "stage/config-keys.hpp"
#include "lib/searchpath.hpp"
#include "lib/file.hpp"
#include "lib/util.hpp"
#include <gtkmm/stylecontext.h>
#include <boost/filesystem.hpp>
using Gtk::IconSize;
using Gtk::IconFactory;
@ -40,8 +40,6 @@ using Gtk::IconFactory;
namespace stage {
namespace workspace {
namespace fsys = boost::filesystem;
IconSize UiStyle::GiantIconSize = Gtk::ICON_SIZE_INVALID;
IconSize UiStyle::MenuIconSize = Gtk::ICON_SIZE_INVALID;
@ -329,7 +327,7 @@ namespace workspace {
,Gtk::IconSize size
,bool wildcard)
{
if (!fsys::exists (path)) return false;
if (not fs::exists (path)) return false;
try {
Gtk::IconSource source;

2
tests/library/stat/file-support-test.cpp → tests/library/file-support-test.cpp
View file

@ -19,7 +19,7 @@
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"
#include "lib/test/temp-dir.hpp"
#include "lib/stat/file.hpp"
#include "lib/file.hpp"
#include <fstream>

5
tests/library/search-path-splitter-test.cpp
View file

@ -19,6 +19,7 @@
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"
#include "lib/format-cout.hpp"
#include "lib/file.hpp"
#include "lib/searchpath.hpp"
@ -74,8 +75,8 @@ namespace test {
void
resolveEmbeddedOriginToken ()
{
fsys::path exePath (findExePath());
string expected = (exePath.remove_leaf() / "modules").string(); ////////OOO warning by GCC-14 : `path::remove_leaf()` is deprecated: Use `path::remove_filename()` instead
fs::path exePath{findExePath()};
string expected{exePath.parent_path() / "modules"};
SearchPathSplitter sp("xyz:$ORIGIN/modules:abc");
CHECK ("xyz" == sp.next());

212
wiki/thinkPad.ichthyo.mm
View file

@ -157153,7 +157153,7 @@ unsigned int ThreadIdAsInt = *static_cast&lt;unsigned int*&gt;(static_cast&lt;vo
</html></richcontent>
<icon BUILTIN="button_ok"/>
</node>
<node CREATED="1736638491692" ID="ID_54383680" MODIFIED="1736714784317" TEXT="Parser-Combinator bauen">
<node CREATED="1736638491692" FOLDED="true" ID="ID_54383680" MODIFIED="1736714784317" TEXT="Parser-Combinator bauen">
<linktarget COLOR="#404a87" DESTINATION="ID_54383680" ENDARROW="Default" ENDINCLINATION="-2293;243;" ID="Arrow_ID_533922637" SOURCE="ID_149530013" STARTARROW="None" STARTINCLINATION="-1497;80;"/>
<node CREATED="1736638519989" ID="ID_1002798343" MODIFIED="1736638536376" TEXT="Einf&#xfc;hrung">
<icon BUILTIN="info"/>
@ -157467,7 +157467,7 @@ unsigned int ThreadIdAsInt = *static_cast&lt;unsigned int*&gt;(static_cast&lt;vo
</node>
</node>
</node>
<node CREATED="1699972103508" ID="ID_1402372766" MODIFIED="1699972200037" TEXT="Graphviz: generated diagrams">
<node CREATED="1699972103508" FOLDED="true" ID="ID_1402372766" MODIFIED="1699972200037" TEXT="Graphviz: generated diagrams">
<linktarget COLOR="#435fb4" DESTINATION="ID_1402372766" ENDARROW="Default" ENDINCLINATION="-1358;124;" ID="Arrow_ID_1189460163" SOURCE="ID_551004748" STARTARROW="None" STARTINCLINATION="-1697;146;"/>
<node CREATED="1699973368997" ID="ID_1070258863" LINK="https://graphviz.org/documentation/" MODIFIED="1699973377453" TEXT="offizielle Dokumentation">
<icon BUILTIN="info"/>
@ -157570,7 +157570,7 @@ unsigned int ThreadIdAsInt = *static_cast&lt;unsigned int*&gt;(static_cast&lt;vo
<node CREATED="1710633971367" ID="ID_260122422" LINK="gnuplotting.org/" MODIFIED="1710633978050" TEXT="Tutorials"/>
<node CREATED="1710633929641" ID="ID_1371157643" LINK="http://www.gnuplot.info/faq/index.html" MODIFIED="1710633941539" TEXT="FAQ"/>
</node>
<node CREATED="1710633892087" ID="ID_1685206239" MODIFIED="1710633903201" TEXT="Fundamentals">
<node CREATED="1710633892087" FOLDED="true" ID="ID_1685206239" MODIFIED="1710633903201" TEXT="Fundamentals">
<node CREATED="1710634003727" ID="ID_810427376" MODIFIED="1710634010818" TEXT="an engine interpreting commands"/>
<node CREATED="1710634011902" ID="ID_1786651279" MODIFIED="1710634028569" TEXT="commands from command line or files given at commandline (scripts)">
<node CREATED="1711674184719" ID="ID_1963052194" MODIFIED="1711674195673" TEXT="gnuplot -p &lt;filename&gt;">
@ -158111,6 +158111,116 @@ unsigned int ThreadIdAsInt = *static_cast&lt;unsigned int*&gt;(static_cast&lt;vo
</body>
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<node CREATED="1745796360697" ID="ID_1993267290" LINK="https://www.linuxjournal.com/article/6735" MODIFIED="1745796385612" TEXT="Linux-Journal: Introduction to Sound-Programming with ALSA"/>
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<head>
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d.h. je nachdem, was man machen m&#246;chte: Skalieren, Positionieren, Farbraum-Mapping
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<node CREATED="1745782317402" LINK="https://www.man7.org/linux/man-pages/man2/cacheflush.2.html" MODIFIED="1745782783817" TEXT="https://www.man7.org/linux/man-pages/man2/cacheflush.2.html"/>
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<node CREATED="1745795986779" ID="ID_770800240" LINK="https://wiki.xiph.org/Videos/A_Digital_Media_Primer_For_Geeks" MODIFIED="1745796008637" TEXT="Video: A Digital Media Primer for Geeks (ciph.org)"/>
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@ -160867,8 +160977,7 @@ Since then others have made contributions, see the log for the history.</font></
das Ergebnis ist letztlich <b>immer wieder entt&#228;uschend</b>
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@ -161284,7 +161393,74 @@ Since then others have made contributions, see the log for the history.</font></
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<node COLOR="#435e98" CREATED="1745801572023" ID="ID_1130395329" MODIFIED="1745804020414" TEXT="Header wohin?">
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<node CREATED="1745801788213" ID="ID_826307504" MODIFIED="1745801814242" TEXT="es gibt bisher keine passende &#xbb;Komponente&#xab;"/>
<node CREATED="1745801831854" ID="ID_1878514572" MODIFIED="1745801839714" TEXT="thread und sync sind auch top-level"/>
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<node CREATED="1745801865147" ID="ID_29042931" MODIFIED="1745801871572" TEXT="und searchpath"/>
<node CREATED="1745803933903" ID="ID_619536030" MODIFIED="1745804017383" TEXT="OK &#x2014; die Lumiera-Support-Lib hat &#xbb;generische&#xab; Hilfsmittel auf top-Level">
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<p>
wie lib/regex.hpp, lib/result.hpp, lib/thread.hpp, lib/parse.hpp ....
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<node COLOR="#338800" CREATED="1745804023888" ID="ID_1609940984" MODIFIED="1745804309640" TEXT="also nach lib/file.hpp verschieben">
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<node COLOR="#338800" CREATED="1745805990154" ID="ID_1777434171" MODIFIED="1745848751673" TEXT="auf std::filesystem umstellen">
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<node CREATED="1745806035169" ID="ID_431487034" MODIFIED="1745806098154" TEXT="umschreiben...">
<node COLOR="#5b280f" CREATED="1745806099135" ID="ID_1155150476" MODIFIED="1745848145216" TEXT="man k&#xf6;nnte read_symlink verwenden">
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<node BACKGROUND_COLOR="#c8c0b6" COLOR="#435e98" CREATED="1745806106898" ID="ID_1016185706" MODIFIED="1745848158645" TEXT="oder cannonical()">
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<node COLOR="#435e98" CREATED="1745848167167" ID="ID_273588071" MODIFIED="1745848185599" TEXT="liefert jetzt auch einen fs::path">
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<node CREATED="1745800050780" ID="ID_53680199" MODIFIED="1745800058623" TEXT="Impl. verwendet SearchPatchSplitter">
<node CREATED="1745800059996" ID="ID_1732566176" MODIFIED="1745800114759" TEXT="dies ist ein &#xbb;Iterator&#xab; &#x2014; aber kein Lumiera Forward Iterator">
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<body>
<p>
...das war vermutlich mein erster Versuch, eine Iterator-Klasse in C++ zu bauen.
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<node CREATED="1745800146421" ID="ID_274063300" MODIFIED="1745800186494" TEXT="wird noch vewendet von configfacade.cpp und ui-style.cpp"/>
<node CREATED="1745800193650" ID="ID_490272268" MODIFIED="1745800204496" TEXT="nimmt einen boost::fsys::path in den ctor"/>
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<node CREATED="1745799358169" ID="ID_1713220396" MODIFIED="1745799961435" TEXT="stage/workspace/ui-style.cpp">
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<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1744756270441" ID="ID_831819953" LINK="https://issues.lumiera.org/ticket/473" MODIFIED="1744756657146" TEXT="RefArray und ScopedHolder m&#xfc;ssen jetzt wirklich mal weg">
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@ -161292,15 +161468,20 @@ Since then others have made contributions, see the log for the history.</font></
</node>
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742175872016" ID="ID_1131308211" MODIFIED="1742175881001" TEXT="Untersuchung: einfacher XV-Displayer">
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<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742175882083" ID="ID_846823682" MODIFIED="1742175899940" TEXT="Christian hatte uns im Chat einen Tip gegeben">
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742175882083" ID="ID_846823682" MODIFIED="1745783296480" TEXT="Christian hatte uns im Chat einen Tip gegeben">
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<p>
Und zwar schon vor einem Jahr.
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<p>
Grrr..... wo ist die Zeit hin??
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<node CREATED="1742175904431" ID="ID_1652277690" MODIFIED="1742175929591" TEXT="eine ziemlich alt-etablierte Video-Player-Application">
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<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742175930588" ID="ID_1772473871" MODIFIED="1742175941839" TEXT="direkter Link auf den relevanten C-Code">
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</node>
</node>
<node CREATED="1742175967881" ID="ID_1117969598" MODIFIED="1742175981193" TEXT="Recherche: Basis-Infos zu XV"/>
<node CREATED="1742175946044" ID="ID_114770740" MODIFIED="1742175960772" TEXT="Untersuchen bzgl. Lib-Dependencies"/>
@ -161308,6 +161489,9 @@ Since then others have made contributions, see the log for the history.</font></
<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742176004434" ID="ID_393175435" MODIFIED="1742176020024" TEXT="GTK-2 Videoplayer-Widget entfernen">
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<node CREATED="1742176027489" ID="ID_1395603395" MODIFIED="1742176036634" TEXT="Ziel: Dependencies reduzieren"/>
<node COLOR="#5b280f" CREATED="1745798298207" ID="ID_1464159274" MODIFIED="1745798323397" TEXT="aber: das war eine XV-basierte L&#xf6;sung (korrekt?)">
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<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1742249461535" ID="ID_1554376708" MODIFIED="1742256553530" TEXT="Rolle der lib-Gavl &#xfc;berpr&#xfc;fen">
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