summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp150
1 files changed, 150 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp
new file mode 100644
index 00000000000..2b46d049db6
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.5/src/XMLString.cpp
@@ -0,0 +1,150 @@
+/*************************************************************************
+** 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 <config.h>
+#include <cmath>
+#include <cstdlib>
+#include <iomanip>
+#include <sstream>
+#include "macros.h"
+#include "types.h"
+#include "XMLString.h"
+
+using namespace std;
+
+int XMLString::DECIMAL_PLACES = 0;
+
+
+/** Converts a unicode value to a UTF-8 byte sequence.
+ * @param[in] c character code
+ * @return utf8 seqence consisting of 1-4 bytes */
+static string to_utf8 (Int32 c) {
+ string utf8;
+ if (c >= 0) {
+ if (c < 0x80)
+ utf8 += c;
+ else if (c < 0x800) {
+ utf8 += 0xC0 + (c >> 6);
+ utf8 += 0x80 + (c & 0x3F);
+ }
+ else if (c == 0xFFFE || c == 0xFFFF)
+ utf8 += (c & 0xFF);
+ else if (c < 0x10000) {
+ utf8 += 0xE0 + (c >> 12);
+ utf8 += 0x80 + ((c >> 6) & 0x3F);
+ utf8 += 0x80 + (c & 0x3F);
+ }
+ else if (c < 0x110000) {
+ utf8 += 0xF0 + (c >> 18);
+ utf8 += 0x80 + ((c >> 12) & 0x3F);
+ utf8 += 0x80 + ((c >> 6) & 0x3F);
+ utf8 += 0x80 + (c & 0x3F);
+ }
+ }
+ return utf8;
+}
+
+
+static string translate (UInt32 c) {
+ switch (c) {
+ case '<' : return "&lt;";
+ case '&' : return "&amp;";
+ case '"' : return "&quot;";
+ case '\'': return "&apos;";
+ }
+ return to_utf8(c);
+}
+
+
+/** 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);
+ else if (fabs(x) < 1e-8)
+ x = 0;
+ 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 << "&lt;"; break;
+ case '&' : os << "&amp;"; break;
+ case '"' : os << "&quot;"; break;
+ case '\'': os << "&apos;"; break;
+ default :
+ if (c >= 32 && c <= 126)
+ os << c;
+ else
+ os << "&#" << int(c) << ';';
+ }
+ }
+ return os;
+}
+*/