forked from freudenreichan/info2Praktikum-Wortsalat
neue Lösung von input.c
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+34
-47
@@ -2,57 +2,44 @@
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#include <string.h>
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#include <string.h>
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#include <ctype.h>
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#include <ctype.h>
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// TODO:
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// Liest ein einzelnes Wort aus der Datei in 'buffer' (max. bufferSize Zeichen inkl. '\0')
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// eine Funktion implementieren, die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt.
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// Gibt 'buffer' zurück oder NULL, wenn kein Wort mehr vorhanden ist
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int splitWords(char texRow[], int maxLength, int wordNumber, char words[][MAX_WORD_LEN], unsigned int maxWordCount);
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static char *readWord(FILE *file, char *buffer, unsigned int bufferSize)
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// Read words from file
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{
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unsigned int len = 0;
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int c = fgetc(file);
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// Trennzeichen (Leerzeichen, Komma, Semikolon, Zeilenumbruch, ...) überspringen
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while (c != EOF && !isalpha(c))
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c = fgetc(file);
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// Buchstaben sammeln, bis ein Trennzeichen oder das Dateiende kommt
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while (c != EOF && isalpha(c))
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{
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if (len < bufferSize - 1)
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buffer[len++] = toupper(c);
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c = fgetc(file);
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}
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buffer[len] = '\0';
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if (len == 0)
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return NULL;
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return buffer;
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}
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// Read words from file and store in 'words' array
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int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
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int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
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{
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{
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char word[MAX_WORD_LEN];
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unsigned int wordCount = 0;
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// Datei Zeilenweise auslesen
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while (wordCount < maxWordCount && readWord(file, word, MAX_WORD_LEN) != NULL)
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char textRow[MAX_LINE_LEN];
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int row = 0;
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while (fgets(textRow, MAX_LINE_LEN, file) != NULL)
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row = splitWords(textRow, MAX_LINE_LEN, row, words, maxWordCount);
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fclose(file);
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for (int i; i < row; i++)
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printf("%s\n", words[i]);
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return row;
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}
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// Zeilen in lesbare Wörter aufteilen und "words" zuweisen
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int splitWords(char textRow[], int maxStringLength, int row, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
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{
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char *teiler = " .,\n;";
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char *token = strtok(textRow, teiler);
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if (token != NULL)
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{
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{
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if (row < maxWordCount)
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strncpy(words[wordCount], word, MAX_WORD_LEN - 1);
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{
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words[wordCount][MAX_WORD_LEN - 1] = '\0';
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strncpy(words[row], token, maxStringLength);
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wordCount++;
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words[row][maxStringLength - 1] = '\0';
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row++;
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}
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}
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}
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while (token != NULL && row < maxWordCount)
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return wordCount;
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{
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}
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token = strtok(NULL, teiler);
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if (token != NULL)
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{
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strncpy(words[row], token, maxStringLength);
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words[row][maxStringLength - 1] = '\0';
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row++;
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}
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}
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return row;
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}
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