资源目录过长时，无法编译成功。适配超长资源路径

Signed-off-by: fangyunzhong <fangyunzhong2@huawei.com>

include/file_entry.h

@@ -62,6 +62,7 @@ private:
     bool IsIgnore(const std::string &filename) const;
     static bool RemoveAllDirInner(const FileEntry &entry);
     static bool CreateDirsInner(const std::string &path, std::string::size_type offset);
+    static std::string AdapateLongPath(const std::string &path);
     FilePath filePath_;
     bool isFile_;
     static const std::string SEPARATE;

include/resource_data.h

@@ -33,6 +33,7 @@ const static std::string RESOURCE_INDEX_FILE = "resources.index";
 const static std::string SEPARATOR = "/";
 const static std::string WIN_SEPARATOR = "\\";
 const static std::string NEW_LINE_PATH = "\r\nat ";
+const static std::string LONG_PATH_HEAD = "\\\\?\\";
 const static std::string ID_DEFINED_INDENTATION = "    ";
 const static int32_t VERSION_MAX_LEN = 128;
 const static int32_t INT_TO_BYTES = sizeof(uint32_t);

src/file_entry.cpp

@@ -14,16 +14,17 @@
  */
 
 #include "file_entry.h"
+#include <cstring>
 #include <fstream>
 #include <iostream>
 #include "dirent.h"
 #include "sys/stat.h"
 #include "unistd.h"
-#include <cstring>
 #ifdef _WIN32
-#include "windows.h"
 #include "shlwapi.h"
+#include "windows.h"
 #endif
+#include "resource_data.h"
 
 namespace OHOS {
 namespace Global {
@@ -63,7 +64,7 @@ const vector<unique_ptr<FileEntry>> FileEntry::GetChilds() const
 #ifdef _WIN32
     WIN32_FIND_DATA findData;
     string temp(filePath + "\\*.*");
-    HANDLE handle = FindFirstFile(temp.c_str(), &findData);
+    HANDLE handle = FindFirstFile(AdapateLongPath(temp).c_str(), &findData);
     if (handle == INVALID_HANDLE_VALUE) {
         return children;
     }
@@ -112,9 +113,7 @@ const FileEntry::FilePath &FileEntry::GetFilePath() const
 bool FileEntry::Exist(const string &path)
 {
 #ifdef _WIN32
-    if (!PathFileExists(path.c_str())) {
-        return false;
-    }
+    return PathFileExists(AdapateLongPath(path).c_str());
 #else
     struct stat s;
     if (stat(path.c_str(), &s) != 0) {
@@ -146,15 +145,15 @@ bool FileEntry::CreateDirs(const string &path)
 bool FileEntry::CopyFileInner(const string &src, const string &dst)
 {
 #ifdef _WIN32
-    if (!CopyFile(src.c_str(), dst.c_str(), false)) {
-        cerr << "Error: CopyFile '" << src << "' to '" << dst << "' failed." << endl;
+    if (!CopyFile(AdapateLongPath(src).c_str(), AdapateLongPath(dst).c_str(), false)) {
+        cerr << "Error: copy file fail from '" << src << "' to '" << dst << "'. reason:" << strerror(errno) << endl;
         return false;
     }
 #else
     ifstream in(src, ios::binary);
     ofstream out(dst, ios::binary);
     if (!in || !out) {
-        cerr << "Error: open failed '" << src << "' or '" << dst << "'." << endl;
+        cerr << "Error: open failed '" << src << "' or '" << dst << "'. reason:" << strerror(errno) << endl;
         return false;
     }
     out << in.rdbuf();
@@ -165,7 +164,7 @@ bool FileEntry::CopyFileInner(const string &src, const string &dst)
 bool FileEntry::IsDirectory(const string &path)
 {
 #ifdef _WIN32
-    if (!PathIsDirectory(path.c_str())) {
+    if (!PathIsDirectory(AdapateLongPath(path).c_str())) {
         return false;
     }
     return true;
@@ -180,7 +179,7 @@ string FileEntry::RealPath(const string &path)
 {
 #ifdef _WIN32
     char buffer[MAX_PATH];
-    if (!PathCanonicalize(buffer, path.c_str())) {
+    if (!PathCanonicalize(buffer, AdapateLongPath(path).c_str())) {
         return "";
     }
 
@@ -281,11 +280,15 @@ bool FileEntry::IsIgnore(const string &filename) const
 
 bool FileEntry::RemoveAllDirInner(const FileEntry &entry)
 {
+    string path = entry.GetFilePath().GetPath();
     if (entry.IsFile()) {
-        bool result = remove(entry.GetFilePath().GetPath().c_str()) == 0;
+#if _WIN32
+        bool result = remove(AdapateLongPath(path).c_str()) == 0;
+#else
+        bool result = remove(path.c_str()) == 0;
+#endif
         if (!result) {
-            cerr << "Error: remove failed '" << entry.GetFilePath().GetPath();
-            cerr << "', reason: " << strerror(errno) << endl;
+            cerr << "Error: remove file '" << path << "' failed, reason: " << strerror(errno) << endl;
             return false;
         }
         return true;
@@ -296,7 +299,16 @@ bool FileEntry::RemoveAllDirInner(const FileEntry &entry)
             return false;
         }
     }
-    return rmdir(entry.GetFilePath().GetPath().c_str()) == 0;
+#if _WIN32
+    bool result = rmdir(AdapateLongPath(path).c_str()) == 0;
+#else
+    bool result = rmdir(path.c_str()) == 0;
+#endif
+    if (!result) {
+        cerr << "Error: remove directory '" << path << "' failed, reason: " << strerror(errno) << endl;
+        return false;
+    }
+    return true;
 }
 
 bool FileEntry::CreateDirsInner(const string &path, string::size_type offset)
@@ -304,7 +316,7 @@ bool FileEntry::CreateDirsInner(const string &path, string::size_type offset)
     string::size_type pos = path.find_first_of(SEPARATE.front(), offset);
     if (pos == string::npos) {
 #if _WIN32
-        return CreateDirectory(path.c_str(), nullptr) != 0;
+        return CreateDirectory(AdapateLongPath(path).c_str(), nullptr) != 0;
 #else
         return mkdir(path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) == 0;
 #endif
@@ -313,7 +325,7 @@ bool FileEntry::CreateDirsInner(const string &path, string::size_type offset)
     string subPath = path.substr(0, pos + 1);
     if (!Exist(subPath)) {
 #if _WIN32
-        if (!CreateDirectory(subPath.c_str(), nullptr)) {
+        if (!CreateDirectory(AdapateLongPath(subPath).c_str(), nullptr)) {
 #else
         if (mkdir(subPath.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0) {
 #endif
@@ -347,6 +359,16 @@ void FileEntry::FilePath::Init()
         extension_ = filename_.substr(pos);
     }
 }
+
+#if _WIN32
+string FileEntry::AdapateLongPath(const string &path)
+{
+    if (path.size() >= MAX_PATH -12) { //the max file path can not exceed 260 - 12
+        return LONG_PATH_HEAD + path;
+    }
+    return path;
+}
+#endif
 }
 }
 }

src/resource_util.cpp

@@ -213,11 +213,7 @@ ResType ResourceUtil::GetResTypeFromString(const string &type)
 
 bool ResourceUtil::CopyFleInner(const string &src, const string &dst)
 {
-    if (!FileEntry::CopyFileInner(src, dst)) {
-        cerr << "Error: copy file fail from '" << src << "' to '" << dst << "'." << endl;
-        return false;
-    }
-    return true;
+    return FileEntry::CopyFileInner(src, dst);
 }
 
 bool ResourceUtil::CreateDirs(const string &filePath)
@@ -227,7 +223,7 @@ bool ResourceUtil::CreateDirs(const string &filePath)
     }
     
     if (!FileEntry::CreateDirs(filePath)) {
-        cerr << "Error: create dir fail '" << filePath << "'." << endl;
+        cerr << "Error: create dir '" << filePath << "' failed, reason:" << strerror(errno) << endl;
         return false;
     }
     return true;