--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sources/mystring.cpp Wed Dec 10 19:17:00 2014 +0200
@@ -0,0 +1,482 @@
+/*
+ Copyright 2014 Teemu Piippo
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holder nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <cstring>
+#include "main.h"
+#include "mystring.h"
+#include "format.h"
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::compare (const String& other) const -> int
+{
+ return m_string.compare (other.std_string());
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::trim (int n) -> void
+{
+ if (n > 0)
+ m_string = mid (0, length() - n).std_string();
+ else
+ m_string = mid (n, -1).std_string();
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::strip (const List<char>& unwanted) -> String
+{
+ String copy (m_string);
+
+ for (char c : unwanted)
+ {
+ for (int pos = 0; (pos = copy.find (String (c))) != -1;)
+ copy.remove (pos--);
+ }
+
+ return copy;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::to_uppercase() const -> String
+{
+ String newstr (m_string);
+
+ for (char& c : newstr)
+ {
+ if (c >= 'a' and c <= 'z')
+ c -= 'a' - 'A';
+ }
+
+ return newstr;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::to_lowercase() const -> String
+{
+ String newstr (m_string);
+
+ for (char& c : newstr)
+ {
+ if (c >= 'A' and c <= 'Z')
+ c += 'a' - 'A';
+ }
+
+ return newstr;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::split (char del) const -> StringList
+{
+ String delimstr;
+ delimstr += del;
+ return split (delimstr);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::split (const String& del) const -> StringList
+{
+ StringList res;
+ int a = 0;
+ int b;
+
+ // Find all separators and store the text left to them.
+ while ((b = find (del, a)) != -1)
+ {
+ String sub = mid (a, b);
+
+ if (sub.length() > 0)
+ res << sub;
+
+ a = b + del.length();
+ }
+
+ // Add the string at the right of the last separator
+ if (a < (int) length())
+ res.append (mid (a, length()));
+
+ return res;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::replace (const char* a, const char* b) -> void
+{
+ long pos;
+
+ while ((pos = find (a)) != -1)
+ m_string = m_string.replace (pos, strlen (a), b);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::count (char needle) const -> int
+{
+ int needles = 0;
+
+ for (const char & c : m_string)
+ if (c == needle)
+ needles++;
+
+ return needles;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::mid (long a, long b) const -> String
+{
+ if (b == -1 or b > length())
+ b = length();
+
+ if (b == a)
+ return "";
+
+ if (b < a)
+ swap (a, b);
+
+ if (a == 0 and b == length())
+ return *this;
+
+ char* newstr = new char[b - a + 1];
+ strncpy (newstr, chars() + a, b - a);
+ newstr[b - a] = '\0';
+ String other (newstr);
+ delete[] newstr;
+ return other;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::word_position (int n) const -> int
+{
+ int count = 0;
+
+ for (int i = 0; i < length(); ++i)
+ {
+ if (m_string[i] != ' ')
+ continue;
+
+ if (++count < n)
+ continue;
+
+ return i;
+ }
+
+ return -1;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::find (const char* c, int a) const -> int
+{
+ int pos = m_string.find (c, a);
+
+ if (pos == int (std::string::npos))
+ return -1;
+
+ return pos;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::find_last (const char* c, int a) const -> int
+{
+ if (a == -1 or a >= length())
+ a = length() - 1;
+
+ for (; a > 0; a--)
+ if (m_string[a] == c[0] and strncmp (chars() + a, c, strlen (c)) == 0)
+ return a;
+
+ return -1;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::to_int (bool* ok, int base) const -> long
+{
+ errno = 0;
+ char* endptr;
+ long i = strtol (chars(), &endptr, base);
+
+ if (ok)
+ *ok = (errno == 0 and *endptr == '\0');
+
+ return i;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::to_float (bool* ok) const -> float
+{
+ errno = 0;
+ char* endptr;
+ float i = strtof (chars(), &endptr);
+
+ if (ok != nullptr)
+ *ok = (errno == 0 and *endptr == '\0');
+
+ return i;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::to_double (bool* ok) const -> double
+{
+ errno = 0;
+ char* endptr;
+ double i = strtod (chars(), &endptr);
+
+ if (ok != nullptr)
+ *ok = (errno == 0 and *endptr == '\0');
+
+ return i;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::operator+ (const String& data) const -> String
+{
+ String newString = *this;
+ newString.append (data);
+ return newString;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::operator+ (const char* data) const -> String
+{
+ String newstr = *this;
+ newstr.append (data);
+ return newstr;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::is_numeric() const -> bool
+{
+ bool gotDot = false;
+
+ for (const char & c : m_string)
+ {
+ // Allow leading hyphen for negatives
+ if (&c == &m_string[0] and c == '-')
+ continue;
+
+ // Check for decimal point
+ if (!gotDot and c == '.')
+ {
+ gotDot = true;
+ continue;
+ }
+
+ if (c >= '0' and c <= '9')
+ continue; // Digit
+
+ // If the above cases didn't catch this character, it was
+ // illegal and this is therefore not a number.
+ return false;
+ }
+
+ return true;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::ends_with (const String& other) -> bool
+{
+ if (length() < other.length())
+ return false;
+
+ const int ofs = length() - other.length();
+ return strncmp (chars() + ofs, other.chars(), other.length()) == 0;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::starts_with (const String& other) -> bool
+{
+ if (length() < other.length())
+ return false;
+
+ return strncmp (chars(), other.chars(), other.length()) == 0;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::sprintf (const char* fmtstr, ...) -> void
+{
+ char* buf;
+ int bufsize = 256;
+ va_list va;
+ va_start (va, fmtstr);
+
+ do
+ buf = new char[bufsize];
+ while (vsnprintf (buf, bufsize, fmtstr, va) >= bufsize);
+
+ va_end (va);
+ m_string = buf;
+ delete[] buf;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+StringList::join (const String& delim) -> String
+{
+ String result;
+
+ for (const String& it : container())
+ {
+ if (result.is_empty() == false)
+ result += delim;
+
+ result += it;
+ }
+
+ return result;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::mask_against (const String& pattern) const -> bool
+{
+ // Elevate to uppercase for case-insensitive matching
+ String pattern_upper = pattern.to_uppercase();
+ String this_upper = to_uppercase();
+ const char* maskstring = pattern_upper.chars();
+ const char* mptr = &maskstring[0];
+
+ for (const char* sptr = this_upper.chars(); *sptr != '\0'; sptr++)
+ {
+ if (*mptr == '?')
+ {
+ if (*(sptr + 1) == '\0')
+ {
+ // ? demands that there's a character here and there wasn't.
+ // Therefore, mask matching fails
+ return false;
+ }
+ }
+ else if (*mptr == '*')
+ {
+ char end = *(++mptr);
+
+ // If '*' is the final character of the message, all of the remaining
+ // string matches against the '*'. We don't need to bother checking
+ // the string any further.
+ if (end == '\0')
+ return true;
+
+ // Skip to the end character
+ while (*sptr != end and *sptr != '\0')
+ sptr++;
+
+ // String ended while the mask still had stuff
+ if (*sptr == '\0')
+ return false;
+ }
+ else if (*sptr != *mptr)
+ return false;
+
+ mptr++;
+ }
+
+ return true;
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::from_number (int a) -> String
+{
+ char buf[32];
+ ::sprintf (buf, "%d", a);
+ return String (buf);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::from_number (long a) -> String
+{
+ char buf[32];
+ ::sprintf (buf, "%ld", a);
+ return String (buf);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::from_number (unsigned long a) -> String
+{
+ char buf[32];
+ ::sprintf (buf, "%lu", a);
+ return String (buf);
+}
+
+// -------------------------------------------------------------------------------------------------
+
+METHOD
+String::from_number (double a) -> String
+{
+ char buf[64];
+ ::sprintf (buf, "%f", a);
+ return String (buf);
+}