459 lines
8.1 KiB
C++
459 lines
8.1 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <stdlib.h>
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#include <stdio.h>
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#include "StringUtil.h"
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#include "TestFramework.h"
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// faster than sscanf
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u32 AsciiToHex(const char* _szValue)
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{
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u32 value = 0;
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size_t finish = strlen(_szValue);
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if (finish > 8)
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{
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finish = 8;
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}
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for (size_t count = 0; count < finish; count++)
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{
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value <<= 4;
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switch (_szValue[count])
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{
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case '0':
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break;
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case '1':
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value += 1;
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break;
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case '2':
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value += 2;
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break;
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case '3':
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value += 3;
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break;
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case '4':
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value += 4;
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break;
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case '5':
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value += 5;
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break;
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case '6':
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value += 6;
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break;
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case '7':
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value += 7;
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break;
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case '8':
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value += 8;
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break;
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case '9':
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value += 9;
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break;
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case 'A':
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value += 10;
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break;
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case 'a':
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value += 10;
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break;
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case 'B':
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value += 11;
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break;
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case 'b':
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value += 11;
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break;
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case 'C':
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value += 12;
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break;
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case 'c':
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value += 12;
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break;
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case 'D':
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value += 13;
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break;
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case 'd':
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value += 13;
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break;
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case 'E':
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value += 14;
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break;
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case 'e':
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value += 14;
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break;
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case 'F':
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value += 15;
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break;
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case 'f':
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value += 15;
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break;
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default:
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value >>= 4;
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break;
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}
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}
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return(value);
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}
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bool CharArrayFromFormatV(char* out, int outsize, const char* format, va_list args)
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{
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int writtenCount = vsnprintf(out, outsize, format, args);
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if (writtenCount > 0)
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{
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out[writtenCount] = '\0';
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return(true);
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}
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else
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{
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out[outsize - 1] = '\0';
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return(false);
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}
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}
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// Expensive!
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void StringFromFormatV(std::string* out, const char* format, va_list args)
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{
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int writtenCount = -1;
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size_t newSize = strlen(format) + 16;
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char* buf = 0;
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while (writtenCount < 0)
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{
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delete[] buf;
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buf = new char[newSize + 1];
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writtenCount = vsnprintf(buf, newSize, format, args);
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newSize *= 2;
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}
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buf[writtenCount] = '\0';
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*out = buf;
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delete[] buf;
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}
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std::string StringFromFormat(const char* format, ...)
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{
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std::string temp;
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va_list args;
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va_start(args, format);
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StringFromFormatV(&temp, format, args);
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va_end(args);
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return(temp);
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}
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void ToStringFromFormat(std::string* out, const char* format, ...)
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{
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va_list args;
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va_start(args, format);
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StringFromFormatV(out, format, args);
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va_end(args);
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}
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// Turns " hej " into "hej". Also handles tabs.
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std::string StripSpaces(std::string s)
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{
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int i;
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for (i = 0; i < (int)s.size(); i++)
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{
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if ((s[i] != ' ') && (s[i] != 9))
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{
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break;
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}
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}
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s = s.substr(i);
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for (i = (int)s.size() - 1; i > 0; i--)
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{
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if ((s[i] != ' ') && (s[i] != 9))
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{
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break;
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}
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}
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return(s.substr(0, i + 1));
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}
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// "\"hello\"" is turned to "hello"
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// This one assumes that the string has already been space stripped in both
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// ends, as done by StripSpaces above, for example.
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std::string StripQuotes(const std::string& s)
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{
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if ((s[0] == '\"') && (s[s.size() - 1] == '\"'))
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{
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return(s.substr(1, s.size() - 2));
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}
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else
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{
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return(s);
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}
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}
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bool TryParseInt(const char* str, int* outVal)
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{
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const char* s = str;
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int value = 0;
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bool negativ = false;
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if (*s == '-')
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{
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negativ = true;
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s++;
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}
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while (*s)
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{
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char c = *s++;
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if ((c < '0') || (c > '9'))
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{
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return(false);
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}
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value = value * 10 + (c - '0');
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}
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if (negativ)
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value = -value;
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*outVal = value;
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return(true);
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}
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bool TryParseBool(const char* str, bool* output)
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{
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if ((str[0] == '1') || !strcmp(str, "true") || !strcmp(str, "True") || !strcmp(str, "TRUE"))
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{
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*output = true;
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return(true);
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}
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else if (str[0] == '0' || !strcmp(str, "false") || !strcmp(str, "False") || !strcmp(str, "FALSE"))
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{
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*output = false;
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return(true);
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}
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return(false);
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}
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std::string StringFromInt(int value)
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{
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char temp[16];
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sprintf(temp, "%i", value);
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return(std::string(temp));
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}
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std::string StringFromBool(bool value)
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{
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return(value ? "True" : "False");
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}
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#ifdef _WIN32
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bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension)
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{
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char drive[_MAX_DRIVE];
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char dir[_MAX_DIR];
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char fname[_MAX_FNAME];
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char ext[_MAX_EXT];
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if (_splitpath_s(full_path.c_str(), drive, _MAX_DRIVE, dir, _MAX_DIR, fname, _MAX_FNAME, ext, _MAX_EXT) == 0)
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{
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if (_pPath)
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{
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*_pPath = std::string(drive) + std::string(dir);
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}
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if (_pFilename != 0)
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{
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*_pFilename = fname;
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}
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if (_pExtension != 0)
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{
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*_pExtension = ext;
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}
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return(true);
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}
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return(false);
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}
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#else
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bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension)
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{
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int last_slash = full_path.rfind('/');
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if (last_slash == std::string::npos)
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{
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return(false);
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}
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int last_dot = full_path.rfind('.');
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if ((last_dot == std::string::npos) || (last_dot < last_slash))
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{
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return(false);
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}
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if (_pPath)
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{
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*_pPath = full_path.substr(0, last_slash + 1);
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}
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if (_pFilename)
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{
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*_pFilename = full_path.substr(last_slash + 1, last_dot - (last_slash + 1));
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}
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if (_pExtension)
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{
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*_pExtension = full_path.substr(last_dot + 1);
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}
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else if (_pFilename)
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{
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*_pFilename += full_path.substr(last_dot);
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}
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return(true);
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}
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#endif
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void BuildCompleteFilename(std::string& _CompleteFilename, const std::string& _Path, const std::string& _Filename)
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{
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_CompleteFilename = _Path;
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// check for seperator
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if (_CompleteFilename[_CompleteFilename.size() - 1] != '\\')
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{
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_CompleteFilename += _T("\\");
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}
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// add the filename
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_CompleteFilename += _Filename;
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}
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void SplitString(const std::string& str, const std::string& delim, std::vector<std::string>& output)
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{
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output.clear();
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size_t offset = 0;
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size_t delimIndex = 0;
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delimIndex = str.find(delim, offset);
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while (delimIndex != std::string::npos)
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{
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output.push_back(str.substr(offset, delimIndex - offset));
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offset += delimIndex - offset + delim.length();
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delimIndex = str.find(delim, offset);
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}
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output.push_back(str.substr(offset));
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}
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bool TryParseUInt(const std::string& str, u32* output)
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{
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if (!strcmp(str.substr(0, 2).c_str(), "0x") || !strcmp(str.substr(0, 2).c_str(), "0X"))
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{
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return(sscanf(str.c_str() + 2, "%x", output) > 0);
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}
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else
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{
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return(sscanf(str.c_str(), "%d", output) > 0);
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}
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}
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int ChooseStringFrom(const char* str, const char* * items)
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{
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int i = 0;
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while (items[i] != 0)
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{
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if (!strcmp(str, items[i]))
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{
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return(i);
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}
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i++;
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}
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return(-1);
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}
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// Hmm, sometimes this test doesn't get run :P
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TEST(splitStringTest)
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{
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/*
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std::string orig = "abc:def";
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std::vector<std::string> split;
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SplitString(orig, std::string(":"), split);
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CHECK(split.size() == 2);
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CHECK(!strcmp(split[0].c_str(), "abc"));
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CHECK(!strcmp(split[1].c_str(), "def"));
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orig = "abc";
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SplitString(orig, std::string(":"), split);
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CHECK(split.size() == 1);
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orig = ":";
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SplitString(orig, std::string(":"), split);
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CHECK(split.size() == 2);*/
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}
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