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Factor out test for script wrapper in given font enc

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This commit is contained in:
Juergen Spitzmueller 2018-04-21 12:55:11 +02:00
parent a33d957832
commit 4010ccafbd
3 changed files with 19 additions and 6 deletions
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14
src/Encoding.cpp
View File

@ -599,6 +599,20 @@ bool Encodings::isKnownScriptChar(char_type const c, string & preamble)
} }
bool Encodings::needsScriptWrapper(string const & script, string const & fontenc)
{
if (script == "textgreek")
return (fontenc != "LGR");
if (script == "textcyr") {
return (fontenc != "T2A" && fontenc != "T2B"
&& fontenc != "T2C" && fontenc != "X2");
}
if (script == "textbaltic")
return (fontenc != "L7x");
return false;
}
bool Encodings::isMathAlpha(char_type c) bool Encodings::isMathAlpha(char_type c)
{ {
return mathalpha.count(c); return mathalpha.count(c);

3
src/Encoding.h
View File

@ -280,6 +280,9 @@ public:
* \p c is a known character matching the preamble entry. * \p c is a known character matching the preamble entry.
*/ */
static bool isKnownScriptChar(char_type const c, std::string & preamble); static bool isKnownScriptChar(char_type const c, std::string & preamble);
/// Do we need to wrap scripts into \text<script> macros?
static bool needsScriptWrapper(std::string const & script,
std::string const & fontenc);
/** /**
* Do we have to display in italics this character when in mathmode? * Do we have to display in italics this character when in mathmode?
* This is true if the "mathalpha" flag is set. We use this for * This is true if the "mathalpha" flag is set. We use this for

8
src/Paragraph.cpp
View File

@ -920,9 +920,7 @@ int Paragraph::Private::latexSurrogatePair(otexstream & os, char_type c,
length -= pos; length -= pos;
latex2 = latex2.substr(pos, length); latex2 = latex2.substr(pos, length);
// We only need the script macro with non-native font encodings // We only need the script macro with non-native font encodings
if ((script == "textgreek" && fontenc != "LGR") if (Encodings::needsScriptWrapper(script, fontenc)) {
|| (script == "textcyr" && fontenc != "T2A" && fontenc != "T2B"
&& fontenc != "T2C" && fontenc != "X2")) {
scriptmacro = from_ascii("\\" + script + "{"); scriptmacro = from_ascii("\\" + script + "{");
cb = from_ascii("}"); cb = from_ascii("}");
} }
@ -1013,9 +1011,7 @@ int Paragraph::Private::writeScriptChars(OutputParams const & runparams,
int pos = 0; int pos = 0;
int length = brace2; int length = brace2;
bool closing_brace = true; bool closing_brace = true;
if ((script == "textgreek" && fontenc == "LGR") if (!Encodings::needsScriptWrapper(script, fontenc)) {
||(script == "textcyr" && (fontenc == "T2A" || fontenc == "T2B"
|| fontenc == "T2C" || fontenc == "X2"))) {
// Correct font encoding is being used, so we can avoid \text[greek|cyr]. // Correct font encoding is being used, so we can avoid \text[greek|cyr].
pos = brace1 + 1; pos = brace1 + 1;
length -= pos; length -= pos;