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[DEV] add global data reader and writer for file

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This commit is contained in:
Edouard DUPIN 2015-04-06 20:41:12 +02:00
parent 0938f7f8a5
commit b16d915a45
2 changed files with 54 additions and 1 deletions
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12
etk/os/FSNode.cpp
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@ -2184,7 +2184,19 @@ std::string etk::FSNodeReadAllData(const std::string& _path) {
return output;
}
void etk::FSNodeWriteAllData(const std::string& _path, const std::string& _data) {
etk::FSNode node(_path);
if (node.fileOpenWrite() == false) {
TK_ERROR("can not open file : '" << node << "'");
return;
}
node.fileWrite(&_data[0], sizeof(char), _data.size());
node.fileClose();
}
std::string etk::FSNodeGetRealName(const std::string& _path) {
etk::FSNode node(_path);
return node.getFileSystemName();
}

41
etk/os/FSNode.h
View File

@ -794,6 +794,47 @@ namespace etk {
* @return all the data of the file in a string
*/
std::string FSNodeReadAllData(const std::string& _path);
/**
* @brief Write all the data in a file
* @param[in] _path Folder/File/Pipe path of the node
* @param[in] _data All the data of the file in a string
*/
void FSNodeWriteAllData(const std::string& _path, const std::string& _data);
/**
* @brief Read all the data from a file
* @param[in] _path Folder/File/Pipe path of the node
* @return all the data of the file in a typed vector
*/
template<typename TTT> std::vector<TTT> FSNodeReadAllDataType(const std::string& _path) {
std::vector<TTT> out;
etk::FSNode node(_path);
if (node.fileOpenRead() == false) {
TK_ERROR("can not open file : '" << node << "'");
return out;
}
uint64_t nbByte = node.fileSize();
out.resize(nbByte/sizeof(TTT));
if (out.size()*sizeof(TTT) != nbByte) {
TK_WARNING("Error in reading the file missing some byte at the end ...");
}
node.fileRead(&out[0], sizeof(TTT), nbByte/sizeof(TTT));
node.fileClose();
return out;
}
/**
* @brief Write all the data in a file
* @param[in] _path Folder/File/Pipe path of the node
* @param[in] _data All the data of the file in a vector Typed bits ...
*/
template<typename TTT> void FSNodeWriteAllDataType(const std::string& _path, const std::vector<TTT>& _data) {
etk::FSNode node(_path);
if (node.fileOpenWrite() == false) {
TK_ERROR("can not open file : '" << node << "'");
return;
}
node.fileWrite(&_data[0], sizeof(TTT), _data.size());
node.fileClose();
}
/**
* @brief get the system name of the current path
* @param[in] _path "DATA:xxx" etk file name.