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Added method Path::getDirname().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49352 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -269,6 +269,10 @@ namespace sys {
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/// @returns std::string containing the basename of the path
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/// @returns std::string containing the basename of the path
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/// @brief Get the base name of the path
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/// @brief Get the base name of the path
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std::string getBasename() const;
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std::string getBasename() const;
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/// This function strips off the suffix of the path beginning with the
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/// path separator ('/' on Unix, '\' on Windows) and returns the result.
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std::string getDirname() const;
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/// This function strips off the path and basename(up to and
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/// This function strips off the path and basename(up to and
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/// including the last dot) of the file or directory name and
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/// including the last dot) of the file or directory name and
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@ -567,11 +571,19 @@ namespace sys {
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/// MemoryBuffer::getFile instead.
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/// MemoryBuffer::getFile instead.
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static void UnMapFilePages(const char *Base, uint64_t FileSize);
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static void UnMapFilePages(const char *Base, uint64_t FileSize);
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/// @}
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/// @name Internal methods.
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/// @{
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protected:
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std::string getDirnameCharSep(char Sep) const;
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/// @}
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/// @}
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/// @name Data
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/// @name Data
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/// @{
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/// @{
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protected:
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protected:
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mutable std::string path; ///< Storage for the path name.
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mutable std::string path; ///< Storage for the path name.
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/// @}
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/// @}
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};
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};
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@ -196,6 +196,45 @@ static void getPathList(const char*path, std::vector<Path>& Paths) {
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Paths.push_back(tmpPath);
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Paths.push_back(tmpPath);
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}
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}
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std::string Path::getDirnameCharSep(char Sep) const {
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if (path.empty())
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return ".";
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// If the path is all slashes, return a single slash.
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// Otherwise, remove all trailing slashes.
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signed pos = path.size() - 1;
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while (pos >= 0 && path[pos] == Sep)
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--pos;
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if (pos < 0)
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return path[0] == Sep ? std::string(1, Sep) : std::string(".");
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// Any slashes left?
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signed i = 0;
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while (i < pos && path[i] != Sep)
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++i;
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if (i == pos) // No slashes? Return "."
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return ".";
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// There is at least one slash left. Remove all trailing non-slashes.
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while (pos >= 0 && path[pos] != Sep)
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--pos;
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// Remove any trailing slashes.
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while (pos >= 0 && path[pos] == Sep)
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--pos;
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if (pos < 0)
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return path[0] == Sep ? std::string(1, Sep) : std::string(".");
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return path.substr(0, pos+1);
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}
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// Include the truly platform-specific parts of this class.
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// Include the truly platform-specific parts of this class.
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#if defined(LLVM_ON_UNIX)
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#if defined(LLVM_ON_UNIX)
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#include "Unix/Path.inc"
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#include "Unix/Path.inc"
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@ -277,16 +277,18 @@ Path Path::GetMainExecutable(const char *argv0, void *MainAddr) {
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}
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}
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std::string Path::getDirname() const { return getDirnameCharSep('/'); }
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std::string
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std::string
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Path::getBasename() const {
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Path::getBasename() const {
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// Find the last slash
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// Find the last slash
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size_t slash = path.rfind('/');
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std::string::size_type slash = path.rfind('/');
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if (slash == std::string::npos)
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if (slash == std::string::npos)
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slash = 0;
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slash = 0;
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else
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else
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slash++;
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slash++;
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size_t dot = path.rfind('.');
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std::string::size_type dot = path.rfind('.');
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if (dot == std::string::npos || dot < slash)
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if (dot == std::string::npos || dot < slash)
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return path.substr(slash);
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return path.substr(slash);
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else
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else
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@ -229,6 +229,8 @@ Path::isRootDirectory() const {
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return len > 0 && path[len-1] == '/';
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return len > 0 && path[len-1] == '/';
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}
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}
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std::string Path::getDirname() const { return getDirnameCharSep('\\'); }
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std::string
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std::string
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Path::getBasename() const {
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Path::getBasename() const {
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// Find the last slash
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// Find the last slash
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