Diff: TextFile.h

Revision:

0:22618cf06f45

Child:

1:5731f31f96be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextFile.h	Tue Sep 16 15:28:59 2014 +0000
@@ -0,0 +1,119 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#include "SDFileSystem.h"
+#include <stdio.h>
+#include <string>
+#include <stdlib.h>
+#include <vector>
+using std::string;
+
+
+//vector<string> filenames; //filenames are stored in a vector string
+
+vector<string> readFileNames(char *);
+int getFileNamesWithoutExt(string[], vector<string> &);
+string getPreviousLine(istream &);
+
+
+
+/******************************************************************************/
+/***                           <readFileNames>                              ***/
+/******************************************************************************/
+// read file names into vector of strings
+vector<string> readFileNames(char *dir) {
+    
+    vector<string> filenames;
+    DIR *dp;
+    struct dirent *dirp;
+    dp = opendir(dir);
+  //read all directory and file names in current directory into filename vector
+    while((dirp = readdir(dp)) != NULL) {
+        filenames.push_back(string(dirp->d_name));
+    }
+    closedir(dp);
+    return filenames;
+}
+
+
+
+/******************************************************************************/
+/***                      <getFileNamesWithoutExt>                          ***/
+/******************************************************************************/
+ // save filename strings to array from vector using an iterator
+int getFileNamesWithoutExt(string fileNames[], vector<string> &filenames) {
+    
+    //Cycle through all files listed in the directoy (strings in the vector list)
+    int n = 0;
+    for(vector<string>::iterator it=filenames.begin(); it < filenames.end(); it++)  
+    {
+        //Convert the Vector found String to a char for use in the strtok function
+        char temp[50];  
+        if((*it).size() < 100)
+            strcpy(temp, (*it).c_str());
+            
+        // Retrieve the fileName and fileExtension by splitting the string
+        char *fileName;
+        char *fileExtension;
+        fileName = strtok(temp, ".");
+        fileExtension = strtok(NULL, ".");
+
+        // if the file is a .txt file, then save it to the array
+        if (strncmp(fileExtension,"txt", 3) == 0) {   
+            fileNames[n] = fileName;
+            n++;
+        }
+    }
+    
+    return n; //Return the number of txt files that were found in the directory   
+}
+
+/******************************************************************************/
+/***                              <getNextLine>                             ***/
+/******************************************************************************/
+//
+
+void getNextLine(FILE  *selectedFile) {
+    
+    char newLine[MAX_LINE_LENGTH];
+    fgets(newLine, MAX_LINE_LENGTH, selectedFile);
+
+    lineData.fullLine = newLine;    
+    lineData.lineNumber++;    
+    
+    //Create a copy of the line, so that we don't effect the full line when we're extracting the words
+    char cpyLine[MAX_LINE_LENGTH];
+    strcpy(cpyLine, newLine);
+    
+    char *tempWord;
+    int numWords = 0;
+    tempWord = strtok(cpyLine, " ");
+    while (tempWord != NULL){
+        strcpy(lineData.word[numWords], tempWord); //Record the word in the lineData array
+        numWords++; //add the number of words first, since we've already got one word, this helps for the way the while loop works too
+        tempWord = strtok(NULL, " ");
+    }
+    
+    lineData.numWords = numWords; //Record the number of words in the line
+    
+    lcd.setAddress(0,1);
+    lcd.printf("Current Line#: %d", lineData.lineNumber);
+    /*
+    lcd.cls(); //clear the display   
+    lcd.setAddress(0,0);
+    lcd.printf("wrd1: %s", lineData.word[0]);
+    lcd.setAddress(0,1);
+    lcd.printf("wrd2: %s", lineData.word[1]);
+    lcd.setAddress(0,2);
+    lcd.printf("wrd3: %s", lineData.word[2]);
+    lcd.setAddress(0,3);
+    lcd.printf("wrd4: %s", lineData.word[3]);
+    wait(5);*/
+}
+
+
+
+
+
+
+
+