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/*
* helpers.cpp
* Helper functions that don't depend on other source files.
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "helpers.h"
char * sourceDirectory = NULL;
char * joinStrings (const char * a, const char * b) {
char * nS = new char[strlen (a) + strlen (b) + 1];
sprintf (nS, "%s%s", a, b);
return nS;
}
char * joinStrings (const char * a, const char * b, const char * c) {
char * nS = new char[strlen (a) + strlen (b) + strlen (c) + 1];
sprintf (nS, "%s%s%s", a, b, c);
return nS;
}
char * joinStrings (const char * a, const char * b, const char * c, const char * d) {
char * nS = new char[strlen (a) + strlen (b) + strlen (c) + strlen (d) + 1];
sprintf (nS, "%s%s%s%s", a, b, c, d);
return nS;
}
char * joinQuote (char * a, char * b, char q1, char q2) {
char * nS = new char[strlen (a) + strlen (b) + 3];
sprintf (nS, "%s%c%s%c", a, q1, b, q2);
return nS;
}
bool getSourceDirFromName (const char * name) {
char * filename = joinStrings (name, "");
int a, lastSlash = -1;
for (a = 0; filename[a]; a ++) {
if (filename[a] == '/' || filename[a] == '\\') {
lastSlash = a;
}
}
if (lastSlash != -1) {
char slashChar = filename[lastSlash];
filename[lastSlash] = 0;
if (chdir (filename)) {
fprintf (stderr, "Can't move to source directory %s", filename);
return false;
}
filename[lastSlash] = slashChar;
}
char buff[1000];
if (! getcwd (buff, 1000)) {
fprintf (stderr, "I can't work out which directory I'm in...");
return false;
}
sourceDirectory = joinStrings (buff, "");
fixPath (sourceDirectory, true);
return true;
}
bool gotoSourceDirectory () {
bool r = chdir (sourceDirectory);
if (r) {
fprintf (stderr, "Can't move to source directory %s", sourceDirectory);
return false;
}
return true;
}
// Fix pathnames, because Windows doesn't use the same path separator
// as the rest of the world
void fixPath (char *filename, bool makeGood) {
if (! filename) return;
char * ptr;
if (makeGood) {
while (ptr = strstr (filename, "\\")) {
ptr[0] = '/';
}
} else {
while (ptr = strstr (filename, "/")) {
ptr[0] = '\\';
}
}
}
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