Mon, 15 Dec 2014 01:47:40 +0200
- added a help message to the statusbar
/* 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" #include "md5.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_at (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 (not isspace (m_string[i]) or ++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); } // ------------------------------------------------------------------------------------------------- // METHOD String::md5() const -> String { char checksum[33]; CalculateMD5 (reinterpret_cast<const unsigned char*> (chars()), length(), checksum); checksum[sizeof checksum - 1] = '\0'; return String (checksum); } // ------------------------------------------------------------------------------------------------- // METHOD String::normalize (int (*filter)(int)) -> void { int a = 0; int b = length() - 1; while ((*filter) (m_string[a]) and a != b) ++a; while ((*filter) (m_string[b]) and a != b) --b; if (a == b) m_string = ""; else if (a != 0 or b != length() - 1) m_string = m_string.substr (a, b - a + 1); }