X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Flstrings.cpp;h=6d5f86672fda133b10f060ecd346e18bee01b4e4;hb=8d640dc77608bedddb5b00982c23665584f52d21;hp=651dbc1e1dd2a42097f4a677b0e817e7efe8e71c;hpb=6c54a081fa207316dd2b9b8b1cef660399e6fe98;p=lyx.git

diff --git a/src/support/lstrings.cpp b/src/support/lstrings.cpp
index 651dbc1e1d..6d5f86672f 100644
--- a/src/support/lstrings.cpp
+++ b/src/support/lstrings.cpp
@@ -15,6 +15,8 @@
 #include "support/lstrings.h"
 
 #include "support/convert.h"
+#include "support/debug.h"
+#include "support/lyxlib.h"
 #include "support/qstring_helpers.h"
 
 #include "support/lassert.h"
@@ -22,7 +24,11 @@
 #include <QString>
 
 #include <cstdio>
+#include <cstring>
 #include <algorithm>
+#include <iomanip>
+#include <sstream>
+#include <typeinfo>
 
 using namespace std;
 
@@ -32,7 +38,7 @@ namespace lyx {
 // without #include "support/docstring" there.
 docstring const & empty_docstring()
 {
-	static docstring s;
+	static const docstring s;
 	return s;
 }
 
@@ -40,7 +46,7 @@ docstring const & empty_docstring()
 // without #include <string>
 string const & empty_string()
 {
-	static string s;
+	static const string s;
 	return s;
 }
 
@@ -54,7 +60,7 @@ namespace {
  */
 inline char_type qchar_to_ucs4(QChar const & qchar)
 {
-	LASSERT(is_utf16(static_cast<char_type>(qchar.unicode())), /**/);
+	LASSERT(is_utf16(static_cast<char_type>(qchar.unicode())), return '?');
 	return static_cast<char_type>(qchar.unicode());
 }
 
@@ -67,7 +73,7 @@ inline char_type qchar_to_ucs4(QChar const & qchar)
  */
 inline QChar const ucs4_to_qchar(char_type const ucs4)
 {
-	LASSERT(is_utf16(ucs4), /**/);
+	LASSERT(is_utf16(ucs4), return QChar('?'));
 	return QChar(static_cast<unsigned short>(ucs4));
 }
 
@@ -200,6 +206,29 @@ int compare_no_case(docstring const & s, docstring const & s2)
 }
 
 
+int compare_locale(docstring const & s, docstring const & s2)
+{
+	// FIXME We have a report that this does not work on windows (bug 9030)
+	try
+	{
+		string const l = to_local8bit(s);
+		string const r = to_local8bit(s2);
+		return strcoll(l.c_str(), r.c_str());
+	}
+	catch (bad_cast & e)
+	{
+		// fall back to builtin sorting
+		LYXERR0("Could not compare using the current locale: "
+		        << e.what() << ", using fallback.");
+		if (s < s2)
+			return -1;
+		if (s > s2)
+			return 1;
+		return 0;
+	}
+}
+
+
 namespace {
 
 template<typename Char>
@@ -409,14 +438,14 @@ bool isAscii(string const & str)
 
 char lowercase(char c)
 {
-	LASSERT(isASCII(c), /**/);
+	LASSERT(isASCII(c), return '?');
 	return char(tolower(c));
 }
 
 
 char uppercase(char c)
 {
-	LASSERT(isASCII(c), /**/);
+	LASSERT(isASCII(c), return '?');
 	return char(toupper(c));
 }
 
@@ -481,6 +510,16 @@ docstring const lowercase(docstring const & a)
 }
 
 
+/* Uncomment here and in lstrings.h if you should need this.
+string const lowercase(string const & a)
+{
+	string tmp(a);
+	transform(tmp.begin(), tmp.end(), tmp.begin(), local_lowercase());
+	return tmp;
+}
+*/
+
+
 docstring const uppercase(docstring const & a)
 {
 	docstring tmp(a);
@@ -824,7 +863,7 @@ template<typename String> inline
 String const subst_string(String const & a,
 		String const & oldstr, String const & newstr)
 {
-	LASSERT(!oldstr.empty(), /**/);
+	LASSERT(!oldstr.empty(), return a);
 	String lstr = a;
 	size_t i = 0;
 	size_t const olen = oldstr.length();
@@ -840,7 +879,7 @@ String const subst_string(String const & a,
 docstring const subst_string(docstring const & a,
 		docstring const & oldstr, docstring const & newstr)
 {
-	LASSERT(!oldstr.empty(), /**/);
+	LASSERT(!oldstr.empty(), return a);
 	docstring lstr = a;
 	size_t i = 0;
 	size_t const olen = oldstr.length();
@@ -882,6 +921,18 @@ docstring const subst(docstring const & a,
 }
 
 
+int count_char(string const & str, char chr)
+{
+	int count = 0;
+	string::const_iterator lit = str.begin();
+	string::const_iterator end = str.end();
+	for (; lit != end; ++lit)
+		if ((*lit) == chr)
+			count++;
+	return count;
+}
+
+
 /// Count all occurences of char \a chr inside \a str
 int count_char(docstring const & str, docstring::value_type chr)
 {
@@ -895,9 +946,34 @@ int count_char(docstring const & str, docstring::value_type chr)
 }
 
 
+int count_bin_chars(string const & str)
+{
+	QString const qstr = toqstr(str).simplified();
+	int count = 0;
+	QString::const_iterator cit = qstr.begin();
+	QString::const_iterator end = qstr.end();
+	for (; cit != end; ++cit)  {
+		switch (cit->category()) {
+		case QChar::Separator_Line:
+		case QChar::Separator_Paragraph:
+		case QChar::Other_Control:
+		case QChar::Other_Format:
+		case QChar::Other_Surrogate:
+		case QChar::Other_PrivateUse:
+		case QChar::Other_NotAssigned:
+			++count;
+			break;
+		default:
+			break;
+		}
+	}
+	return count;
+}
+
+
 docstring const trim(docstring const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 
 	if (a.empty() || !*p)
 		return a;
@@ -916,7 +992,7 @@ docstring const trim(docstring const & a, char const * p)
 
 string const trim(string const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 
 	if (a.empty() || !*p)
 		return a;
@@ -934,7 +1010,7 @@ string const trim(string const & a, char const * p)
 
 string const rtrim(string const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 
 	if (a.empty() || !*p)
 		return a;
@@ -951,7 +1027,7 @@ string const rtrim(string const & a, char const * p)
 
 docstring const rtrim(docstring const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 
 	if (a.empty() || !*p)
 		return a;
@@ -968,7 +1044,7 @@ docstring const rtrim(docstring const & a, char const * p)
 
 string const ltrim(string const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 	if (a.empty() || !*p)
 		return a;
 	size_t l = a.find_first_not_of(p);
@@ -980,7 +1056,7 @@ string const ltrim(string const & a, char const * p)
 
 docstring const ltrim(docstring const & a, char const * p)
 {
-	LASSERT(p, /**/);
+	LASSERT(p, return a);
 	if (a.empty() || !*p)
 		return a;
 	size_t l = a.find_first_not_of(from_ascii(p));
@@ -998,18 +1074,20 @@ String const doSplit(String const & a, String & piece, Char delim)
 	size_t i = a.find(delim);
 	if (i == a.length() - 1) {
 		piece = a.substr(0, i);
-	} else if (i != String::npos) {
-		piece = a.substr(0, i);
-		tmp = a.substr(i + 1);
 	} else if (i == 0) {
 		piece.erase();
 		tmp = a.substr(i + 1);
+	} else if (i != String::npos) {
+		piece = a.substr(0, i);
+		tmp = a.substr(i + 1);
 	} else {
 		piece = a;
 	}
 	return tmp;
 }
 
+
+// FIXME: why is this specialization needed?
 template<typename Char> inline
 docstring const doSplit(docstring const & a, docstring & piece, Char delim)
 {
@@ -1017,12 +1095,12 @@ docstring const doSplit(docstring const & a, docstring & piece, Char delim)
 	size_t i = a.find(delim);
 	if (i == a.length() - 1) {
 		piece = a.substr(0, i);
-	} else if (i != docstring::npos) {
-		piece = a.substr(0, i);
-		tmp = a.substr(i + 1);
 	} else if (i == 0) {
 		piece.erase();
 		tmp = a.substr(i + 1);
+	} else if (i != docstring::npos) {
+		piece = a.substr(0, i);
+		tmp = a.substr(i + 1);
 	} else {
 		piece = a;
 	}
@@ -1107,7 +1185,7 @@ docstring const escape(docstring const & lab)
 			// encode bigger values. Test for 2^24 because we
 			// can encode that with the 6 hex digits that are
 			// needed for 21 bits anyway.
-			LASSERT(c < (1 << 24), /**/);
+			LASSERT(c < (1 << 24), continue);
 			enc += '=';
 			enc += hexdigit[(c>>20) & 15];
 			enc += hexdigit[(c>>16) & 15];
@@ -1123,6 +1201,17 @@ docstring const escape(docstring const & lab)
 }
 
 
+bool truncateWithEllipsis(docstring & str, size_t const len)
+{
+	if (str.size() <= len)
+		return false;
+	str.resize(len);
+	if (len > 0)
+		str[len - 1] = 0x2026;// HORIZONTAL ELLIPSIS
+	return true;
+}
+
+
 namespace {
 
 // this doesn't check whether str is empty, so do that first.
@@ -1146,7 +1235,7 @@ vector<docstring> wrapToVec(docstring const & str, int ind,
 		size_t const i = s.find_last_of(' ', width - 1);
 		if (i == docstring::npos || i <= size_t(ind)) {
 			// no space found
-			s = s.substr(0, width - 3) + "...";
+			truncateWithEllipsis(s, width);
 			break;
 		}
 		retval.push_back(s.substr(0, i));
@@ -1175,7 +1264,6 @@ docstring wrap(docstring const & str, int const ind, size_t const width)
 docstring wrapParas(docstring const & str, int const indent,
 		    size_t const width, size_t const maxlines)
 {
-	docstring const dots = from_ascii("...");
 	if (str.empty())
 		return docstring();
 
@@ -1194,15 +1282,15 @@ docstring wrapParas(docstring const & str, int const indent,
 			tmp.resize(maxlines - curlines);
 			docstring last = tmp.back();
 			size_t const lsize = last.size();
-			if (lsize > width - 3) {
-				size_t const i = last.find_last_of(' ', width - 3);
+			if (lsize > width - 1) {
+				size_t const i = last.find_last_of(' ', width - 1);
 				if (i == docstring::npos || i <= size_t(indent))
 					// no space found
-					last = last.substr(0, lsize - 3) + dots;
+					truncateWithEllipsis(last, lsize);
 				else
-					last = last.substr(0, i) + dots;
+					truncateWithEllipsis(last, i);
 			} else
-				last += dots;
+				last.push_back(0x2026);//HORIZONTAL ELLIPSIS
 			tmp.pop_back();
 			tmp.push_back(last);
 		}
@@ -1312,10 +1400,29 @@ int findToken(char const * const str[], string const & search_token)
 }
 
 
+std::string formatFPNumber(double x)
+{
+	// Need manual tweaking, QString::number(x, 'f', 16) does not work either
+	ostringstream os;
+	os << std::fixed;
+	// Prevent outputs of 23.4200000000000017 but output small numbers
+	// with at least 6 significant digits.
+	double const logarithm = log10(fabs(x));
+	os << std::setprecision(max(6 - iround(logarithm), 0)) << x;
+	string result = os.str();
+	if (result.find('.') != string::npos) {
+		result = rtrim(result, "0");
+		if (result[result.length()-1] == '.')
+			result = rtrim(result, ".");
+	}
+	return result;
+}
+
+
 template<>
 docstring bformat(docstring const & fmt, int arg1)
 {
-	LASSERT(contains(fmt, from_ascii("%1$d")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$d")));
 	docstring const str = subst(fmt, from_ascii("%1$d"), convert<docstring>(arg1));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
@@ -1324,16 +1431,27 @@ docstring bformat(docstring const & fmt, int arg1)
 template<>
 docstring bformat(docstring const & fmt, long arg1)
 {
-	LASSERT(contains(fmt, from_ascii("%1$d")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$d")));
+	docstring const str = subst(fmt, from_ascii("%1$d"), convert<docstring>(arg1));
+	return subst(str, from_ascii("%%"), from_ascii("%"));
+}
+
+
+#ifdef LYX_USE_LONG_LONG
+template<>
+docstring bformat(docstring const & fmt, long long arg1)
+{
+	LATTEST(contains(fmt, from_ascii("%1$d")));
 	docstring const str = subst(fmt, from_ascii("%1$d"), convert<docstring>(arg1));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
+#endif
 
 
 template<>
 docstring bformat(docstring const & fmt, unsigned int arg1)
 {
-	LASSERT(contains(fmt, from_ascii("%1$d")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$d")));
 	docstring const str = subst(fmt, from_ascii("%1$d"), convert<docstring>(arg1));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
@@ -1342,7 +1460,7 @@ docstring bformat(docstring const & fmt, unsigned int arg1)
 template<>
 docstring bformat(docstring const & fmt, docstring arg1)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
 	docstring const str = subst(fmt, from_ascii("%1$s"), arg1);
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
@@ -1351,7 +1469,7 @@ docstring bformat(docstring const & fmt, docstring arg1)
 template<>
 docstring bformat(docstring const & fmt, char * arg1)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
 	docstring const str = subst(fmt, from_ascii("%1$s"), from_ascii(arg1));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
@@ -1360,8 +1478,8 @@ docstring bformat(docstring const & fmt, char * arg1)
 template<>
 docstring bformat(docstring const & fmt, docstring arg1, docstring arg2)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
+	LATTEST(contains(fmt, from_ascii("%2$s")));
 	docstring str = subst(fmt, from_ascii("%1$s"), arg1);
 	str = subst(str, from_ascii("%2$s"), arg2);
 	return subst(str, from_ascii("%%"), from_ascii("%"));
@@ -1371,8 +1489,8 @@ docstring bformat(docstring const & fmt, docstring arg1, docstring arg2)
 template<>
 docstring bformat(docstring const & fmt, docstring arg1, int arg2)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$d")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
+	LATTEST(contains(fmt, from_ascii("%2$d")));
 	docstring str = subst(fmt, from_ascii("%1$s"), arg1);
 	str = subst(str, from_ascii("%2$d"), convert<docstring>(arg2));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
@@ -1382,10 +1500,10 @@ docstring bformat(docstring const & fmt, docstring arg1, int arg2)
 template<>
 docstring bformat(docstring const & fmt, char const * arg1, docstring arg2)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
+	LATTEST(contains(fmt, from_ascii("%2$s")));
 	docstring str = subst(fmt, from_ascii("%1$s"), from_ascii(arg1));
-	str = subst(fmt, from_ascii("%2$s"), arg2);
+	str = subst(str, from_ascii("%2$s"), arg2);
 	return subst(str, from_ascii("%%"), from_ascii("%"));
 }
 
@@ -1393,8 +1511,8 @@ docstring bformat(docstring const & fmt, char const * arg1, docstring arg2)
 template<>
 docstring bformat(docstring const & fmt, int arg1, int arg2)
 {
-	LASSERT(contains(fmt, from_ascii("%1$d")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$d")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$d")));
+	LATTEST(contains(fmt, from_ascii("%2$d")));
 	docstring str = subst(fmt, from_ascii("%1$d"), convert<docstring>(arg1));
 	str = subst(str, from_ascii("%2$d"), convert<docstring>(arg2));
 	return subst(str, from_ascii("%%"), from_ascii("%"));
@@ -1404,9 +1522,9 @@ docstring bformat(docstring const & fmt, int arg1, int arg2)
 template<>
 docstring bformat(docstring const & fmt, docstring arg1, docstring arg2, docstring arg3)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%3$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
+	LATTEST(contains(fmt, from_ascii("%2$s")));
+	LATTEST(contains(fmt, from_ascii("%3$s")));
 	docstring str = subst(fmt, from_ascii("%1$s"), arg1);
 	str = subst(str, from_ascii("%2$s"), arg2);
 	str = subst(str, from_ascii("%3$s"), arg3);
@@ -1418,10 +1536,10 @@ template<>
 docstring bformat(docstring const & fmt,
 	       docstring arg1, docstring arg2, docstring arg3, docstring arg4)
 {
-	LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%2$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%3$s")), /**/);
-	LASSERT(contains(fmt, from_ascii("%4$s")), /**/);
+	LATTEST(contains(fmt, from_ascii("%1$s")));
+	LATTEST(contains(fmt, from_ascii("%2$s")));
+	LATTEST(contains(fmt, from_ascii("%3$s")));
+	LATTEST(contains(fmt, from_ascii("%4$s")));
 	docstring str = subst(fmt, from_ascii("%1$s"), arg1);
 	str = subst(str, from_ascii("%2$s"), arg2);
 	str = subst(str, from_ascii("%3$s"), arg3);