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Put code to construct unique path into new utlity function uniquePath()

Two almost identical versions existed of this code.

I generalized the code by taking out the knowledge of sections.
No other uses of this code are planned, but it is easier to review in
isolation now.
This commit is contained in:
Maarten ter Huurne 2015-04-26 21:13:03 +02:00
parent 8e76dffc70
commit 1b54483f21
3 changed files with 21 additions and 17 deletions

View File

@ -18,7 +18,6 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <sstream>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
@ -391,14 +390,7 @@ bool Menu::addLink(string const& path, string const& file)
title = title.substr(0, pos);
}
string linkpath = sectionDir + "/" + title;
int x = 2;
while (fileExists(linkpath)) {
stringstream ss;
ss << sectionDir << '/' << title << x;
ss >> linkpath;
x++;
}
string linkpath = uniquePath(sectionDir, title);
INFO("Adding link: '%s'\n", linkpath.c_str());
string dirPath = path;
@ -541,14 +533,7 @@ bool Menu::moveSelectedLink(string const& newSection)
return false;
}
string newFileName = sectionDir + "/" + linkTitle;
unsigned int x = 2;
while (fileExists(newFileName)) {
string id = "";
stringstream ss; ss << x; ss >> id;
newFileName = sectionDir + "/" + linkTitle + id;
x++;
}
string newFileName = uniquePath(sectionDir, linkTitle);
if (rename(file.c_str(), newFileName.c_str())) {
WARNING("Link file move from '%s' to '%s' failed: %s\n",

View File

@ -32,6 +32,7 @@
#include <dirent.h>
#include <fstream>
#include <iostream>
#include <sstream>
#include <strings.h>
#include <unistd.h>
@ -160,6 +161,19 @@ bool fileExists(const string &file) {
return access(file.c_str(), F_OK) == 0;
}
string uniquePath(string const& dir, string const& name)
{
string path = dir + "/" + name;
unsigned int x = 2;
while (fileExists(path)) {
stringstream ss;
ss << dir << '/' << name << x;
ss >> path;
x++;
}
return path;
}
int constrain(int x, int imin, int imax) {
return min(imax, max(imin, x));
}

View File

@ -80,6 +80,11 @@ inline std::string trimExtension(std::string const& filename) {
bool fileExists(const std::string &file);
/**
* Constructs a non-existing path in a given directory based on the given name.
*/
std::string uniquePath(std::string const& dir, std::string const& name);
int constrain(int x, int imin, int imax);
int evalIntConf(ConfIntHash& hash, const std::string &key, int def, int imin, int imax);