X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c320b3e32d8da0d3d09983e26efe01eb322b1b53..abd474ea63667f727940a009cc3e0b23ba9f418f:/src/unix/stdpaths.cpp diff --git a/src/unix/stdpaths.cpp b/src/unix/stdpaths.cpp index 2cbcb456d3..d65bb8dd7f 100644 --- a/src/unix/stdpaths.cpp +++ b/src/unix/stdpaths.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: unix/stdpaths.cpp -// Purpose: wxStandardPaths implementation for Unix systems +// Name: src/unix/stdpaths.cpp +// Purpose: wxStandardPaths implementation for Unix & OpenVMS systems // Author: Vadim Zeitlin // Modified by: // Created: 2004-10-19 // RCS-ID: $Id$ // Copyright: (c) 2004 Vadim Zeitlin -// License: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -24,56 +24,158 @@ #pragma hdrstop #endif +#if wxUSE_STDPATHS + +#include "wx/stdpaths.h" + #ifndef WX_PRECOMP #include "wx/app.h" + #include "wx/wxcrt.h" + #include "wx/utils.h" #endif //WX_PRECOMP #include "wx/filename.h" +#include "wx/log.h" +#include "wx/textfile.h" -#include "wx/stdpaths.h" - -#ifdef __LINUX__ +#if defined( __LINUX__ ) || defined( __VMS ) #include #endif // ============================================================================ -// wxStandardPaths implementation +// common VMS/Unix part of wxStandardPaths implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// prefix management -// ---------------------------------------------------------------------------- - void wxStandardPaths::SetInstallPrefix(const wxString& prefix) { m_prefix = prefix; } +wxString wxStandardPaths::GetUserConfigDir() const +{ + return wxFileName::GetHomeDir(); +} + + +// ============================================================================ +// wxStandardPaths implementation for VMS +// ============================================================================ + +#ifdef __VMS + wxString wxStandardPaths::GetInstallPrefix() const { if ( m_prefix.empty() ) { - wxStandardPaths *self = wx_const_cast(wxStandardPaths *, this); + const_cast(this)->m_prefix = wxT("/sys$system"); + } + + return m_prefix; +} + +wxString wxStandardPaths::GetConfigDir() const +{ + return wxT("/sys$manager"); +} + +wxString wxStandardPaths::GetDataDir() const +{ + return AppendAppInfo(GetInstallPrefix() + wxT("/sys$share")); +} + +wxString wxStandardPaths::GetLocalDataDir() const +{ + return AppendAppInfo(wxT("/sys$manager")); +} + +wxString wxStandardPaths::GetUserDataDir() const +{ + return wxFileName::GetHomeDir(); +} + +wxString wxStandardPaths::GetPluginsDir() const +{ + return wxString(); // TODO: this is wrong, it should return something +} + +wxString +wxStandardPaths::GetLocalizedResourcesDir(const wxString& lang, + ResourceCat category) const +{ + return wxStandardPathsBase::GetLocalizedResourcesDir(lang, category); +} + +wxString wxStandardPaths::GetExecutablePath() const +{ + return wxStandardPathsBase::GetExecutablePath(); +} + +#else // !__VMS + +// ============================================================================ +// wxStandardPaths implementation for Unix +// ============================================================================ +wxString wxStandardPaths::GetExecutablePath() const +{ #ifdef __LINUX__ - // under Linux, we can get location of the executable - wxString exe; - if ( readlink("/proc/self/exe", wxStringBuffer(exe), 1024) != -1 ) - { - // consider that we're in the last "bin" subdirectory of our prefix - wxString basename(wxString(wxTheApp->argv[0]).AfterLast(_T('/'))); - size_t pos = exe.find(_T("/bin/") + basename); - if ( pos != wxString::npos ) - { - self->m_prefix.assign(exe, 0, pos); - } - } + wxString exeStr; + + char buf[4096]; + int result = readlink("/proc/self/exe", buf, WXSIZEOF(buf) - sizeof(char)); + if ( result != -1 ) + { + buf[result] = '\0'; // readlink() doesn't NUL-terminate the buffer - if ( m_prefix.empty() ) + // if the /proc/self/exe symlink has been dropped by the kernel for + // some reason, then readlink() could also return success but + // "(deleted)" as link destination... + if ( strcmp(buf, "(deleted)") != 0 ) + exeStr = wxString(buf, wxConvLibc); + } + + if ( exeStr.empty() ) + { + // UPX-specific hack: when using UPX on linux, the kernel will drop the + // /proc/self/exe link; in this case we try to look for a special + // environment variable called " " which is created by UPX to save + // /proc/self/exe contents. See + // http://sf.net/tracker/?func=detail&atid=309863&aid=1565357&group_id=9863 + // for more information about this issue. + wxGetEnv(wxT(" "), &exeStr); + } + + if ( !exeStr.empty() ) + return exeStr; #endif // __LINUX__ - { - self->m_prefix = _T("/usr/local"); - } + + return wxStandardPathsBase::GetExecutablePath(); +} + +void wxStandardPaths::DetectPrefix() +{ + // we can try to infer the prefix from the location of the executable + wxString exeStr = GetExecutablePath(); + if ( !exeStr.empty() ) + { + // consider that we're in the last "bin" subdirectory of our prefix + size_t pos = exeStr.rfind(wxT("/bin/")); + if ( pos != wxString::npos ) + m_prefix.assign(exeStr, 0, pos); + } + + if ( m_prefix.empty() ) + { + m_prefix = wxT("/usr/local"); + } +} + +wxString wxStandardPaths::GetInstallPrefix() const +{ + if ( m_prefix.empty() ) + { + wxStandardPaths *pathPtr = const_cast(this); + pathPtr->DetectPrefix(); } return m_prefix; @@ -85,31 +187,93 @@ wxString wxStandardPaths::GetInstallPrefix() const wxString wxStandardPaths::GetConfigDir() const { - return _T("/etc"); -} - -wxString wxStandardPaths::GetUserConfigDir() const -{ - return wxFileName::GetHomeDir(); + return wxT("/etc"); } wxString wxStandardPaths::GetDataDir() const { - return AppendAppName(GetInstallPrefix() + _T("/share")); + // allow to override the location of the data directory by setting + // WX_APPNAME_DATA_DIR environment variable: this is very useful in + // practice for running well-written (and so using wxStandardPaths to find + // their files) wx applications without installing them + static const wxString + envOverride( + getenv( + ("WX_" + wxTheApp->GetAppName().Upper() + "_DATA_DIR").c_str() + ) + ); + + if ( !envOverride.empty() ) + return envOverride; + + return AppendAppInfo(GetInstallPrefix() + wxT("/share")); } wxString wxStandardPaths::GetLocalDataDir() const { - return AppendAppName(_T("/etc")); + return AppendAppInfo(wxT("/etc")); } wxString wxStandardPaths::GetUserDataDir() const { - return AppendAppName(wxFileName::GetHomeDir() + _T("/.")); + return AppendAppInfo(wxFileName::GetHomeDir() + wxT("/.")); } wxString wxStandardPaths::GetPluginsDir() const { - return wxString(); + return AppendAppInfo(GetInstallPrefix() + wxT("/lib")); +} + +wxString +wxStandardPaths::GetLocalizedResourcesDir(const wxString& lang, + ResourceCat category) const +{ + if ( category != ResourceCat_Messages ) + return wxStandardPathsBase::GetLocalizedResourcesDir(lang, category); + + return GetInstallPrefix() + wxT("/share/locale/") + lang + wxT("/LC_MESSAGES"); } +wxString wxStandardPaths::GetDocumentsDir() const +{ + { + wxLogNull logNull; + wxString homeDir = wxFileName::GetHomeDir(); + wxString configPath; + if (wxGetenv(wxT("XDG_CONFIG_HOME"))) + configPath = wxGetenv(wxT("XDG_CONFIG_HOME")); + else + configPath = homeDir + wxT("/.config"); + wxString dirsFile = configPath + wxT("/user-dirs.dirs"); + if (wxFileExists(dirsFile)) + { + wxTextFile textFile; + if (textFile.Open(dirsFile)) + { + size_t i; + for (i = 0; i < textFile.GetLineCount(); i++) + { + wxString line(textFile[i]); + int pos = line.Find(wxT("XDG_DOCUMENTS_DIR")); + if (pos != wxNOT_FOUND) + { + wxString value = line.AfterFirst(wxT('=')); + value.Replace(wxT("$HOME"), homeDir); + value.Trim(true); + value.Trim(false); + if (!value.IsEmpty() && wxDirExists(value)) + return value; + else + break; + } + } + } + } + } + + return wxStandardPathsBase::GetDocumentsDir(); +} + +#endif // __VMS/!__VMS + +#endif // wxUSE_STDPATHS