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135 lines
2.6 KiB
C++
135 lines
2.6 KiB
C++
/*
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* parascan implementation
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*
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* Copyright (C) Dorit Borrmann
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*
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* Released under the GPL version 3.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "shapes/parascan.h"
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/* -------------------------------------------------------------------------- */
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int paramtr_scan_int(FILE *stream, const char *search,int defaultval)
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{
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char target[256];
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if(paramtr_scan_str(stream, search, target))
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return(atoi(target));
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else
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return(defaultval);
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}
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/* -------------------------------------------------------------------------- */
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double paramtr_scan_double(FILE *stream, const char *search,double defaultval)
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{
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char target[256];
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if(paramtr_scan_str(stream, search, target))
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return(atof(target));
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else
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return(defaultval);
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}
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/* -------------------------------------------------------------------------- */
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bool paramtr_scan_str(FILE *stream, const char *search, char *target)
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{
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const char *ptr = search;
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int c, mem;
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/* erster durchlauf */
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mem = 0;
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while(mem < 2) {
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if((c = getc(stream)) == EOF) {
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rewind(stream);
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mem++;
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}
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else {
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/* kommentarzeile uebergehen */
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if(c == COMMENT) {
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while((c = getc(stream)) != LF );
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} /* if */
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if(*ptr) {
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if(c == (int)*ptr) {
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ptr++;
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}
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else {
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ptr = search;
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} /* if */
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}
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else {
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int numberOfItemsRead = fscanf(stream, "%s", target);
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if(!numberOfItemsRead)
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{
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return false;
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}
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return true;
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} /* if */
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} /* if */
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} /* while */
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return false;
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}
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/* -------------------------------------------------------------------------- */
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int paramtr_scan_echo(const char *filename, const char *search)
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{
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const char *ptr = search;
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char str[256];
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char* target;
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int c, no;
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FILE *stream;
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/* dateiverbindung oeffnen */
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if((stream = fopen(filename, "rt")) == NULL) {
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printf("paramtr_scan_echo() error\n");
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return 0;
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} /* if */
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no = 0;
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while((c = getc(stream)) != EOF) {
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/* kommentarzeile uebergehen */
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if(c == COMMENT) {
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while((c = getc(stream)) != LF );
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} /* if */
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if(*ptr) {
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if(c == (int)*ptr) {
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ptr++;
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}
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else {
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ptr = search;
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} /* if */
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}
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else {
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target = &(str[0]);
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while(c != LF) {
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*target = (char) c;
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target++;
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c = getc(stream);
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} /* while */
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*target = 0;
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printf("%s\n", str);
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ptr = search;
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no++;
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} /* if */
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} /* while */
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/* datei schliessen */
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fclose(stream);
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return no;
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}
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/* -------------------------------------------------------------------------- */
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