+++ /dev/null
-/* $Id$
-
-This file is part of libmspstrings
-Copyright © 2006-2008 Mikko Rasa
-Distributed under the LGPL
-*/
-
-#include <algorithm>
-#include <list>
-#include <msp/core/except.h>
-#include "utils.h"
-
-using namespace std;
-
-namespace {
-
-template<bool long_sep, bool allow_empty>
-vector<string> do_split(const string &str, const string &sep, int max_split)
-{
- vector<string> result;
-
- unsigned start = 0;
- while(start<str.size())
- {
- unsigned end = long_sep ? str.find(sep, start) : str.find_first_of(sep, start);
- if(end!=start || allow_empty)
- {
- if(max_split>=0 && result.size()==static_cast<unsigned>(max_split))
- {
- result.push_back(str.substr(start));
- break;
- }
- else
- result.push_back(str.substr(start, end-start));
- }
-
- if(end>str.size())
- break;
-
- start = end+(long_sep ? sep.size() : 1);
-
- if(allow_empty && start==str.size())
- result.push_back(string());
- }
-
- return result;
-}
-
-bool check_str(const std::string &str, int (*pred)(int))
-{
- for(string::const_iterator i=str.begin(); i!=str.end(); ++i)
- if(!pred(*i))
- return false;
- return true;
-}
-
-}
-
-
-namespace Msp {
-
-int strcasecmp(const string &s1, const string &s2)
-{
- string::const_iterator i1 = s1.begin();
- string::const_iterator i2 = s2.begin();
- for(; (i1!=s1.end() && i2!=s2.end()); ++i1, ++i2)
- {
- const char c1 = ::tolower(*i1);
- const char c2 = ::tolower(*i2);
- if(c1!=c2) return c1-c2;
- }
- if(i1!=s1.end()) return *i1;
- if(i2!=s2.end()) return -*i2;
- return 0;
-}
-
-string tolower(const string &str)
-{
- string result(str);
- transform(result.begin(), result.end(), result.begin(), ::tolower);
- return result;
-}
-
-string toupper(const string &str)
-{
- string result(str);
- transform(result.begin(), result.end(), result.begin(), ::toupper);
- return result;
-}
-
-bool isnumrc(const string &str)
-{
- return check_str(str, isdigit);
-}
-
-bool isalpha(const string &str)
-{
- return check_str(str, isalpha);
-}
-
-bool isalnum(const string &str)
-{
- return check_str(str, isalnum);
-}
-
-vector<string> split(const string &str, const string &sep, int max_split)
-{
- return do_split<false, false>(str, sep, max_split);
-}
-
-vector<string> split(const string &str, char sep, int max_split)
-{
- return split(str, string(1, sep), max_split);
-}
-
-vector<string> split_long(const string &str, const string &sep, int max_split)
-{
- return do_split<true, false>(str, sep, max_split);
-}
-
-vector<string> split_fields(const string &str, const string &sep, int max_split)
-{
- return do_split<true, true>(str, sep, max_split);
-}
-
-vector<string> split_fields(const string &str, char sep, int max_split)
-{
- return split_fields(str, string(1, sep), max_split);
-}
-
-string strip(const string &s)
-{
- string result = s;
- if(!result.erase(0, result.find_first_not_of(" \t\r\n")).empty())
- result.erase(result.find_last_not_of(" \t\r\n")+1);
- return result;
-}
-
-string c_unescape(const std::string &str)
-{
- bool escape = false;
- unsigned numeric_type = 0;
- unsigned numeric_pos = 0;
- unsigned numeric_value = 0;
- string result;
- for(string::const_iterator i=str.begin(); i!=str.end(); ++i)
- {
- if(numeric_type==16)
- {
- unsigned digit = 0;
- if(*i>='0' && *i<='9')
- digit = *i-'0';
- else if(*i>='a' && *i<='f')
- digit = *i-'a'+10;
- else if(*i>='A' && *i<='F')
- digit = *i-'A'+10;
- else
- throw InvalidParameterValue("Invalid hexadecimal digit");
-
- numeric_value = (numeric_value<<4 | digit);
- ++numeric_pos;
- if(numeric_pos==2)
- {
- result += numeric_value;
- numeric_type = 0;
- }
- }
- else if(numeric_type==8)
- {
- unsigned digit = 0;
- if(*i>='0' && *i<='7')
- digit = *i-'0';
- else
- throw InvalidParameterValue("Invalid octal digit");
-
- numeric_value = (numeric_value<<3 | digit);
- ++numeric_pos;
- if(numeric_pos==3)
- {
- result += numeric_value;
- numeric_type = 0;
- }
- }
- else if(escape)
- {
- if(*i=='x')
- {
- numeric_type = 16;
- numeric_pos = 0;
- numeric_value = 0;
- }
- else if(*i>='0' && *i<='3')
- {
- numeric_type = 8;
- numeric_pos = 1;
- numeric_value = *i-'0';
- }
- else if(*i=='n')
- result += '\n';
- else if(*i=='t')
- result += '\t';
- else if(*i=='r')
- result += '\r';
- else if(*i=='b')
- result += '\b';
- else if(*i=='v')
- result += '\v';
- else if(*i=='a')
- result += '\a';
- else if(*i=='f')
- result += '\f';
- else if(*i=='\"')
- result += '\"';
- else if(*i=='\'')
- result += '\'';
- else if(*i=='\\')
- result += '\\';
- else
- throw InvalidParameterValue("Invalid escape sequence");
-
- escape = false;
- }
- else if(*i=='\\')
- escape = true;
- else
- result += *i;
- }
-
- if(escape)
- throw InvalidParameterValue("Stray backslash at end of string");
-
- return result;
-}
-
-string c_escape(const string &str, bool escape_8bit)
-{
- string result;
-
- for(string::const_iterator i=str.begin(); i!=str.end(); ++i)
- {
- if(*i=='\n')
- result += "\\n";
- else if(*i=='\t')
- result += "\\t";
- else if(*i=='\r')
- result += "\\r";
- else if(*i=='\b')
- result += "\\b";
- else if(*i=='\v')
- result += "\\v";
- else if(*i=='\a')
- result += "\\a";
- else if(*i=='\f')
- result += "\\f";
- else if(*i=='\"')
- result += "\\\"";
- else if(*i=='\'')
- result += "\\\'";
- else if(*i=='\\')
- result += "\\\\";
- else if(static_cast<unsigned char>(*i)<' ' || (escape_8bit && (*i&0x80)))
- {
- char buf[4] = {'\\', '0'+((*i>>6)&3), '0'+((*i>>3)&7), '0'+(*i&7)};
- result.append(buf, 4);
- }
- else
- result += *i;
- }
-
- return result;
-}
-
-} // namespace Msp
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