Diff: txtFile.cpp

Revision:

0:f433ff34d66b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/txtFile.cpp	Thu Jun 11 13:49:01 2015 +0000
@@ -0,0 +1,71 @@
+#include "txtFile.h"
+
+/**
+* Constructor when called opens a file
+*
+* @param fileAddr
+*               the address of the file, either local, sd or whatever
+* @param readWrite
+*               whether reading or writing to the file
+*/
+TxtFile::TxtFile(char fileAddr[], char *readWrite) {
+
+
+    if ((fp = fopen(fileAddr, readWrite)) == NULL) {
+        isFileOpen = false;
+    } else {
+        isFileOpen = true;
+    }
+}
+
+/**
+* Destructor when called closes the open file
+*/
+TxtFile::~TxtFile() {
+    closeFile();
+}
+
+/**
+* Returns true if the file is open
+*
+* @returns isFileOpen
+*/
+bool TxtFile::isOpen() {
+    return isFileOpen;
+}
+
+/**
+* Checks if the file is open, and closes it if it is
+*
+* @returns isClosed
+*               returns true if a file was closed, false if not
+*/
+bool TxtFile::closeFile() {
+    if (isOpen()) {
+        fclose(fp);
+        return true;
+    } else
+        return false;
+}
+
+int TxtFile::frameTime(int frame) { //a frame is 5 digits of timer, 128x32 bytes of data, with 33 line ends
+    fseek(fp, (frame * 4167), SEEK_SET);
+    char numberIn[5];
+    for (int i=0;i<5;i++)
+    {
+        numberIn[i] = fgetc(fp);
+    }
+    return atoi(numberIn);
+}
+
+int TxtFile::totalFrames() {
+    fseek(fp, 0, SEEK_END); // seek to end of file
+    int size = ftell(fp);       // get current file pointer
+    fseek(fp, 0, SEEK_SET); // seek back to beginning of file
+    return (size + 2)/4167;
+}
+
+char TxtFile::getChar(int seek) {
+    fseek(fp, seek, SEEK_SET);
+    return fgetc(fp);
+}
\ No newline at end of file