[DEV] add file API

etk/os/FSNode.cpp

@@ -1585,6 +1585,20 @@ char etk::FSNode::fileGet(void) {
 	return data;
 }
 
+bool etk::FSNode::fileGets(std::string& _output) {
+	_output.clear();
+	char tmp = fileGet();
+	while (    tmp != '\0'
+	        && tmp != '\n') {
+		_output += tmp;
+		tmp = fileGet();
+	}
+	if (tmp == '\0') {
+		return false;
+	}
+	return true;
+}
+
 int64_t etk::FSNode::fileRead(void* _data, int64_t _blockSize, int64_t _nbBlock) {
 	#ifdef __TARGET_OS__Android
 	if(    m_type == etk::FSN_TYPE_DATA
@@ -1606,6 +1620,20 @@ int64_t etk::FSNode::fileRead(void* _data, int64_t _blockSize, int64_t _nbBlock)
 	return fread(_data, _blockSize, _nbBlock, m_PointerFile);
 }
 
+bool etk::FSNode::filePut(char _input) {
+	if (fileWrite(&_input, 1, 1) == 1) {
+		return true;
+	}
+	return false;
+}
+
+bool etk::FSNode::filePuts(const std::string& _input) {
+	if (fileWrite((void*)_input.c_str(), 1, _input.size()) == (int64_t)_input.size()) {
+		return true;
+	}
+	return false;
+}
+
 int64_t etk::FSNode::fileWrite(void * _data, int64_t _blockSize, int64_t _nbBlock) {
 	#ifdef __TARGET_OS__Android
 	if(    m_type == etk::FSN_TYPE_DATA

etk/os/FSNode.h

@@ -416,6 +416,27 @@ namespace etk {
 			 * @return the next element in the file.
 			 */
 			char fileGet(void);
+			/**
+			 * @brief Get a compleate line in a text file
+			 * @param[out] _output the next element in the file.
+			 * @return true The file is not ended.
+			 * @return false The file is ended.
+			 */
+			bool fileGets(std::string& _output);
+			/**
+			 * @brief Write data on the file
+			 * @param[in] _input data to write.
+			 * @return true Write done corectly.
+			 * @return false ErrorOn write.
+			 */
+			bool filePut(char _input);
+			/**
+			 * @brief Write data on the file
+			 * @param[in] _input data to write.
+			 * @return true Write done corectly.
+			 * @return false ErrorOn write.
+			 */
+			bool filePuts(const std::string& _input);
 			/**
 			 * @brief Read data from the file
 			 * @param[in,out] _data Pointer on the buffer that might be set the data
@@ -432,6 +453,7 @@ namespace etk {
 			 * @return Number of element written (in block number)
 			 */
 			int64_t fileWrite(void* _data, int64_t _blockSize, int64_t _nbBlock);
+			
 			/**
 			 * @brief Move in the file Position
 			 * @param[in] _offset Offset to apply at the file