X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3af9f2de592953bec39a58cc871678fa85a3b056..82cf5d595346aa4e1db0058c5e2c8a89c68d47dd:/src/unix/stdpaths.cpp diff --git a/src/unix/stdpaths.cpp b/src/unix/stdpaths.cpp index cc425db3b4..d65bb8dd7f 100644 --- a/src/unix/stdpaths.cpp +++ b/src/unix/stdpaths.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: unix/stdpaths.cpp +// 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 /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -26,13 +26,17 @@ #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/stdpaths.h" +#include "wx/log.h" +#include "wx/textfile.h" #if defined( __LINUX__ ) || defined( __VMS ) #include @@ -52,6 +56,7 @@ wxString wxStandardPaths::GetUserConfigDir() const return wxFileName::GetHomeDir(); } + // ============================================================================ // wxStandardPaths implementation for VMS // ============================================================================ @@ -62,7 +67,7 @@ wxString wxStandardPaths::GetInstallPrefix() const { if ( m_prefix.empty() ) { - wx_const_cast(wxStandardPaths *, this)->m_prefix = wxT("/sys$system"); + const_cast(this)->m_prefix = wxT("/sys$system"); } return m_prefix; @@ -70,17 +75,17 @@ wxString wxStandardPaths::GetInstallPrefix() const wxString wxStandardPaths::GetConfigDir() const { - return _T("/sys$manager"); + return wxT("/sys$manager"); } wxString wxStandardPaths::GetDataDir() const { - return AppendAppName(GetInstallPrefix() + _T("/sys$share")); + return AppendAppInfo(GetInstallPrefix() + wxT("/sys$share")); } wxString wxStandardPaths::GetLocalDataDir() const { - return AppendAppName(_T("/sys$manager")); + return AppendAppInfo(wxT("/sys$manager")); } wxString wxStandardPaths::GetUserDataDir() const @@ -94,46 +99,83 @@ wxString wxStandardPaths::GetPluginsDir() const } wxString -wxStandardPaths::GetLocalizedResourcesDir(const wxChar *lang, +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::GetInstallPrefix() const +wxString wxStandardPaths::GetExecutablePath() const { - if ( m_prefix.empty() ) +#ifdef __LINUX__ + wxString exeStr; + + char buf[4096]; + int result = readlink("/proc/self/exe", buf, WXSIZEOF(buf) - sizeof(char)); + if ( result != -1 ) { - wxStandardPaths *pathPtr = wx_const_cast(wxStandardPaths *, this); + buf[result] = '\0'; // readlink() doesn't NUL-terminate the buffer -#ifdef __LINUX__ - // under Linux, we can try to infer the prefix from the location of the - // executable - 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 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); + } - const wxString exeStr(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); + } - // consider that we're in the last "bin" subdirectory of our prefix - size_t pos = exeStr.rfind(wxT("/bin/")); - if ( pos != wxString::npos ) - pathPtr->m_prefix.assign(exeStr, 0, pos); - } + if ( !exeStr.empty() ) + return exeStr; #endif // __LINUX__ - if ( m_prefix.empty() ) - { - pathPtr->m_prefix = wxT("/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; @@ -145,37 +187,91 @@ wxString wxStandardPaths::GetInstallPrefix() const wxString wxStandardPaths::GetConfigDir() const { - return _T("/etc"); + 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 AppendAppName(GetInstallPrefix() + _T("/lib")); + return AppendAppInfo(GetInstallPrefix() + wxT("/lib")); } wxString -wxStandardPaths::GetLocalizedResourcesDir(const wxChar *lang, +wxStandardPaths::GetLocalizedResourcesDir(const wxString& lang, ResourceCat category) const { if ( category != ResourceCat_Messages ) return wxStandardPathsBase::GetLocalizedResourcesDir(lang, category); - return GetInstallPrefix() + _T("/share/locale/") + lang + _T("/LC_MESSAGES"); + 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