initial commit

third_party/libhv/cpputil/hpath.cpp

@@ -0,0 +1,112 @@
+#include "hpath.h"
+
+#include "hplatform.h"
+
+bool HPath::exists(const char* path) {
+    return access(path, 0) == 0;
+}
+
+bool HPath::isdir(const char* path) {
+    if (access(path, 0) != 0) return false;
+    struct stat st;
+    memset(&st, 0, sizeof(st));
+    stat(path, &st);
+    return S_ISDIR(st.st_mode);
+}
+
+bool HPath::isfile(const char* path) {
+    if (access(path, 0) != 0) return false;
+    struct stat st;
+    memset(&st, 0, sizeof(st));
+    stat(path, &st);
+    return S_ISREG(st.st_mode);
+}
+
+bool HPath::islink(const char* path) {
+#ifdef OS_WIN
+    return HPath::isdir(path) && (GetFileAttributesA(path) & FILE_ATTRIBUTE_REPARSE_POINT);
+#else
+    if (access(path, 0) != 0) return false;
+    struct stat st;
+    memset(&st, 0, sizeof(st));
+    lstat(path, &st);
+    return S_ISLNK(st.st_mode);
+#endif
+}
+
+std::string HPath::basename(const std::string& filepath) {
+    std::string::size_type pos1 = filepath.find_last_not_of("/\\");
+    if (pos1 == std::string::npos) {
+        return "/";
+    }
+    std::string::size_type pos2 = filepath.find_last_of("/\\", pos1);
+    if (pos2 == std::string::npos) {
+        pos2 = 0;
+    } else {
+        pos2++;
+    }
+
+    return filepath.substr(pos2, pos1-pos2+1);
+}
+
+std::string HPath::dirname(const std::string& filepath) {
+    std::string::size_type pos1 = filepath.find_last_not_of("/\\");
+    if (pos1 == std::string::npos) {
+        return "/";
+    }
+    std::string::size_type pos2 = filepath.find_last_of("/\\", pos1);
+    if (pos2 == std::string::npos) {
+        return ".";
+    } else if (pos2 == 0) {
+        pos2 = 1;
+    }
+
+    return filepath.substr(0, pos2);
+}
+
+std::string HPath::filename(const std::string& filepath) {
+    std::string::size_type pos1 = filepath.find_last_of("/\\");
+    if (pos1 == std::string::npos) {
+        pos1 = 0;
+    } else {
+        pos1++;
+    }
+    std::string file = filepath.substr(pos1);
+
+    std::string::size_type pos2 = file.find_last_of(".");
+    if (pos2 == std::string::npos) {
+        return file;
+    }
+    return file.substr(0, pos2);
+}
+
+std::string HPath::suffixname(const std::string& filepath) {
+    std::string::size_type pos1 = filepath.find_last_of("/\\");
+    if (pos1 == std::string::npos) {
+        pos1 = 0;
+    } else {
+        pos1++;
+    }
+    std::string file = filepath.substr(pos1);
+
+    std::string::size_type pos2 = file.find_last_of(".");
+    if (pos2 == std::string::npos) {
+        return "";
+    }
+    return file.substr(pos2+1);
+}
+
+std::string HPath::join(const std::string& dir, const std::string& filename) {
+    char separator = '/';
+#ifdef OS_WIN
+    if (dir.find_first_of("\\") != std::string::npos) {
+        separator = '\\';
+    }
+#endif
+    std::string filepath(dir);
+    if (dir[dir.length()-1] != separator) {
+        filepath += separator;
+    }
+    filepath += filename;
+    return filepath;
+}