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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/XMLString.cpp')
| -rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/XMLString.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/XMLString.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/XMLString.cpp new file mode 100644 index 00000000000..326eaf89bdf --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/XMLString.cpp @@ -0,0 +1,134 @@ +/************************************************************************* +** XMLString.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2013 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** 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 <cmath> +#include <cstdlib> +#include <iomanip> +#include <sstream> +#include "macros.h" +#include "XMLString.h" + +using namespace std; + +int XMLString::DECIMAL_PLACES = 0; + +static string translate (unsigned c) { + switch (c) { + case '<' : return "<"; + case '&' : return "&"; + case '"' : return """; + case '\'': return "'"; + } + ostringstream oss; + if (c >= 32 && c <= 126) + oss << char(c); + else + oss <<"&#" << unsigned(c) << ';'; + return oss.str(); +} + + +#if 0 +/** Returns the number of pre-decimal places of a given floating point value. */ +static int predecimal_places (double x) { + int n = abs(static_cast<int>(x)); + int ret = (n == 0 ? 0 : 1); + while (n >= 10) { + ret++; + n /= 10; + } + return ret; +} +#endif + + +/** Rounds a floating point value to a given number of decimal places. + * @param[in] x number to round + * @param[in] n number of decimal places (must be between 1 and 6) + * @return rounded value */ +static inline double round (double x, long n) { + const long pow10[] = {10L, 100L, 1000L, 10000L, 100000L, 1000000L}; + n--; + return floor(x*pow10[n]+0.5)/pow10[n]; +} + + +XMLString::XMLString (const string &str, bool plain) { + if (plain) + *this = str; + else { + FORALL(str, string::const_iterator, i) + *this += translate(*i); + } +} + + +XMLString::XMLString (const char *str, bool plain) { + if (str) { + if (plain) + *this = str; + else { + while (*str) + *this += translate(*str++); + } + } +} + + +XMLString::XMLString (int n, bool cast) { + if (cast) { + stringstream ss; + ss << n; + ss >> *this; + } + else + *this += translate(n); +} + + +XMLString::XMLString (double x) { + stringstream ss; + if (DECIMAL_PLACES > 0) + x = round(x, DECIMAL_PLACES); + ss << x; + ss >> *this; +} + + +/* +ostream& XMLString::write (ostream &os) const { + const string *self = static_cast<const string*>(this); + FORALL(*self, string::const_iterator, i) { + unsigned char c = *i; + switch (c) { + case '<' : os << "<"; break; + case '&' : os << "&"; break; + case '"' : os << """; break; + case '\'': os << "'"; break; + default : + if (c >= 32 && c <= 126) + os << c; + else + os << "&#" << int(c) << ';'; + } + } + return os; +} +*/ |