--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/string.cpp Fri May 10 17:39:56 2013 +0300
@@ -0,0 +1,163 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common.h"
+#include "string.h"
+
+str fmt (const char* fmtstr, ...) {
+ va_list va;
+
+ va_start (va, fmtstr);
+ char* buf = dynafmt (fmtstr, va, 256);
+ va_end (va);
+
+ str msg = buf;
+ delete[] buf;
+ return msg;
+}
+
+char* dynafmt (const char* fmtstr, va_list va, ulong size) {
+ char* buf = null;
+ ushort run = 0;
+
+ do {
+ try {
+ buf = new char[size];
+ } catch (std::bad_alloc&) {
+ fprintf (stderr, "%s: allocation error on run #%u: tried to allocate %lu bytes\n", __func__, run + 1, size);
+ abort ();
+ }
+
+ if (!vsnprintf (buf, size - 1, fmtstr, va)) {
+ delete[] buf;
+ buf = null;
+ }
+
+ size *= 2;
+ ++run;
+ } while (buf == null);
+
+ return buf;
+}
+
+void String::trim (short n) {
+ if (n > 0)
+ for (short i = 0; i < n; ++i)
+ m_string.erase (m_string.end () - 1 - i);
+ else
+ for (short i = abs (n) - 1; i >= 0; ++i)
+ m_string.erase (m_string.begin () + i);
+}
+
+String String::strip (std::initializer_list<char> unwanted) {
+ String copy (m_string);
+
+ for (char c : unwanted) {
+ for (long i = len (); i >= 0; --i)
+ if (copy[(size_t) i] == c)
+ copy.erase (i);
+ }
+
+ return copy;
+}
+
+String String::upper() const {
+ String newstr = m_string;
+
+ for (char& c : newstr)
+ if (c >= 'a' && c <= 'z')
+ c -= 'a' - 'A';
+
+ return newstr;
+}
+
+String String::lower () const {
+ String newstr = m_string;
+
+ for (char& c : newstr)
+ if (c >= 'A' && c <= 'Z')
+ c += 'a' - 'A';
+
+ return newstr;
+}
+
+vector<String> String::split (char del) const {
+ String delimstr;
+ delimstr += del;
+ return split (delimstr);
+}
+
+vector<String> String::split (String del) const {
+ std::vector<String> res;
+ size_t a = 0;
+
+ // Find all separators and store the text left to them.
+ while (1) {
+ size_t b = first (del, a);
+
+ if (b == npos)
+ break;
+
+ String sub = substr (a, b);
+ if (~sub > 0)
+ res.push_back (substr (a, b));
+
+ a = b + strlen (del);
+ }
+
+ // Add the string at the right of the last separator
+ if (a < len ())
+ res.push_back (substr (a, len()));
+
+ return res;
+}
+
+void String::replace (const char* a, const char* b) {
+ size_t pos;
+
+ while ((pos = first (a)) != npos)
+ m_string = m_string.replace (pos, strlen (a), b);
+}
+
+void String::format (const char* fmtstr, ...) {
+ va_list va;
+
+ va_start (va, fmtstr);
+ char* buf = dynafmt (fmtstr, va, 256);
+ va_end (va);
+
+ m_string = buf;
+ delete[] buf;
+}
+
+ushort String::count (const char needle) const {
+ ushort numNeedles = 0;
+
+ for (const char& c : m_string)
+ if (c == needle)
+ numNeedles++;
+
+ return numNeedles;
+}
+
+String String::substr (long a, long b) const {
+ if (b == -1)
+ b = len ();
+
+ return m_string.substr (a, b - a);
+}
\ No newline at end of file