]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/MathStream.cpp
g-brief loads babel internally. So don't load it ourselves.
[lyx.git] / src / mathed / MathStream.cpp
index c30da8240ab018150a9e2a45a80f34d409cd9099..4a006e4809672e88e5f3f0f3252a22ec4a07d9e2 100644 (file)
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
 
 #include "MathStream.h"
 
-#include "InsetMath.h"
+#include "MathFactory.h"
 #include "MathData.h"
 #include "MathExtern.h"
 
-#include "support/textutils.h"
+#include "TexRow.h"
+
+
+#include "support/debug.h"
 #include "support/docstring.h"
+#include "support/textutils.h"
 
 #include <algorithm>
+#include <cstring>
 #include <ostream>
+#include <FontInfo.h>
 
 using namespace std;
 
@@ -51,7 +57,7 @@ NormalStream & operator<<(NormalStream & ns, docstring const & s)
 }
 
 
-NormalStream & operator<<(NormalStream & ns, const std::string & s)
+NormalStream & operator<<(NormalStream & ns, const string & s)
 {
        ns.os() << from_utf8(s);
        return ns;
@@ -83,107 +89,198 @@ NormalStream & operator<<(NormalStream & ns, int i)
 /////////////////////////////////////////////////////////////////
 
 
-WriteStream & operator<<(WriteStream & ws, docstring const & s)
+TeXMathStream & operator<<(TeXMathStream & ws, docstring const & s)
 {
-       if (ws.pendingSpace() && s.length() > 0) {
-               if (isAlphaASCII(s[0]))
+       // Skip leading '\n' if we had already output a newline char
+       size_t const first =
+               (s.length() > 0 && (s[0] != '\n' || ws.canBreakLine())) ? 0 : 1;
+
+       // Check whether there's something to output
+       if (s.length() <= first)
+               return ws;
+
+       if (ws.pendingBrace()) {
+               ws.os() << '}';
+               ws.pendingBrace(false);
+               ws.pendingSpace(false);
+               ws.textMode(true);
+       } else if (ws.pendingSpace()) {
+               if (isAlphaASCII(s[first]))
                        ws.os() << ' ';
+               else if (s[first] == '[' && ws.useBraces())
+                       ws.os() << "{}";
+               else if (s[first] == ' ' && ws.textMode())
+                       ws.os() << '\\';
                ws.pendingSpace(false);
+       } else if (ws.useBraces()) {
+               if (s[first] == '\'')
+                       ws.os() << "{}";
+               ws.useBraces(false);
        }
-       ws.os() << s;
+       ws.os() << s.substr(first);
        int lf = 0;
-       docstring::const_iterator dit = s.begin();
+       char_type lastchar = 0;
+       docstring::const_iterator dit = s.begin() + first;
        docstring::const_iterator end = s.end();
-       for (; dit != end; ++dit)
-               if ((*dit) == '\n')
+       for (; dit != end; ++dit) {
+               lastchar = *dit;
+               if (lastchar == '\n')
                        ++lf;
+       }
        ws.addlines(lf);
+       ws.canBreakLine(lastchar != '\n');
        return ws;
 }
 
 
-WriteStream::WriteStream(odocstream & os, bool fragile, bool latex)
-       : os_(os), fragile_(fragile), firstitem_(false), latex_(latex),
-         pendingspace_(false), line_(0)
-{}
-
-
-WriteStream::WriteStream(odocstream & os)
-       : os_(os), fragile_(false), firstitem_(false), latex_(false),
-         pendingspace_(false), line_(0)
+TeXMathStream::TeXMathStream(otexrowstream & os, bool fragile, bool latex,
+                             OutputType output, Encoding const * encoding)
+       : os_(os), fragile_(fragile), latex_(latex),
+         output_(output), encoding_(encoding)
 {}
 
 
-WriteStream::~WriteStream()
+TeXMathStream::~TeXMathStream()
 {
-       if (pendingspace_)
+       if (pendingbrace_)
+               os_ << '}';
+       else if (pendingspace_)
                os_ << ' ';
 }
 
 
-void WriteStream::addlines(unsigned int n)
+void TeXMathStream::addlines(unsigned int n)
 {
        line_ += n;
 }
 
 
-void WriteStream::pendingSpace(bool how)
+void TeXMathStream::pendingSpace(bool space)
+{
+       pendingspace_ = space;
+       if (!space)
+               usebraces_ = false;
+}
+
+
+void TeXMathStream::useBraces(bool braces)
+{
+       usebraces_ = braces;
+}
+
+
+void TeXMathStream::pendingBrace(bool brace)
+{
+       pendingbrace_ = brace;
+}
+
+
+void TeXMathStream::textMode(bool textmode)
 {
-       pendingspace_ = how;
+       textmode_ = textmode;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, MathAtom const & at)
+void TeXMathStream::lockedMode(bool locked)
+{
+       locked_ = locked;
+}
+
+
+void TeXMathStream::asciiOnly(bool ascii)
+{
+       ascii_ = ascii;
+}
+
+
+Changer TeXMathStream::changeRowEntry(TexRow::RowEntry entry)
+{
+       return changeVar(row_entry_, entry);
+}
+
+
+bool TeXMathStream::startOuterRow()
+{
+       if (TexRow::isNone(row_entry_))
+               return false;
+       return texrow().start(row_entry_);
+}
+
+
+TeXMathStream & operator<<(TeXMathStream & ws, MathAtom const & at)
 {
        at->write(ws);
        return ws;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, MathData const & ar)
+TeXMathStream & operator<<(TeXMathStream & ws, MathData const & ar)
 {
        write(ar, ws);
        return ws;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, char const * s)
+TeXMathStream & operator<<(TeXMathStream & ws, char const * s)
 {
-       if (ws.pendingSpace() && strlen(s) > 0) {
-               if (isAlphaASCII(s[0]))
-                       ws.os() << ' ';
-               ws.pendingSpace(false);
-       }
-       ws.os() << s;
-       ws.addlines(int(std::count(s, s + strlen(s), '\n')));
+       ws << from_utf8(s);
        return ws;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, char c)
+TeXMathStream & operator<<(TeXMathStream & ws, char c)
 {
-       if (ws.pendingSpace()) {
+       if (c == '\n' && !ws.canBreakLine())
+               return ws;
+
+       if (ws.pendingBrace()) {
+               ws.os() << '}';
+               ws.pendingBrace(false);
+               ws.pendingSpace(false);
+               ws.textMode(true);
+       } else if (ws.pendingSpace()) {
                if (isAlphaASCII(c))
                        ws.os() << ' ';
+               else if (c == '[' && ws.useBraces())
+                       ws.os() << "{}";
+               else if (c == ' ' && ws.textMode())
+                       ws.os() << '\\';
                ws.pendingSpace(false);
+       } else if (ws.useBraces()) {
+               if (c == '\'')
+                       ws.os() << "{}";
+               ws.useBraces(false);
        }
        ws.os() << c;
        if (c == '\n')
                ws.addlines(1);
+       ws.canBreakLine(c != '\n');
        return ws;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, int i)
+TeXMathStream & operator<<(TeXMathStream & ws, int i)
 {
+       if (ws.pendingBrace()) {
+               ws.os() << '}';
+               ws.pendingBrace(false);
+               ws.textMode(true);
+       }
        ws.os() << i;
+       ws.canBreakLine(true);
        return ws;
 }
 
 
-WriteStream & operator<<(WriteStream & ws, unsigned int i)
+TeXMathStream & operator<<(TeXMathStream & ws, unsigned int i)
 {
+       if (ws.pendingBrace()) {
+               ws.os() << '}';
+               ws.pendingBrace(false);
+               ws.textMode(true);
+       }
        ws.os() << i;
+       ws.canBreakLine(true);
        return ws;
 }
 
@@ -191,72 +288,254 @@ WriteStream & operator<<(WriteStream & ws, unsigned int i)
 //////////////////////////////////////////////////////////////////////
 
 
-MathStream::MathStream(odocstream & os)
-       : os_(os), tab_(0), line_(0), lastchar_(0)
-{}
+MathMLStream::MathMLStream(odocstream & os, std::string const & xmlns)
+       : os_(os), tab_(0), line_(0), in_text_(false), xmlns_(xmlns)
+{
+       if (in_text_)
+               font_math_style_ = TEXT_STYLE;
+       else
+               font_math_style_ = DISPLAY_STYLE;
+}
+
+
+void MathMLStream::cr()
+{
+       os() << '\n';
+       for (int i = 0; i < tab(); ++i)
+               os() << ' ';
+}
 
 
-MathStream & operator<<(MathStream & ms, MathAtom const & at)
+void MathMLStream::defer(docstring const & s)
+{
+       deferred_ << s;
+}
+
+
+void MathMLStream::defer(string const & s)
+{
+       deferred_ << from_utf8(s);
+}
+
+
+docstring MathMLStream::deferred() const
+{
+       return deferred_.str();
+}
+
+
+MathMLStream & operator<<(MathMLStream & ms, MathAtom const & at)
 {
        at->mathmlize(ms);
        return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, MathData const & ar)
+MathMLStream & operator<<(MathMLStream & ms, MathData const & ar)
 {
        mathmlize(ar, ms);
        return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, char const * s)
+MathMLStream & operator<<(MathMLStream & ms, char const * s)
 {
        ms.os() << s;
        return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, char c)
+MathMLStream & operator<<(MathMLStream & ms, char c)
 {
        ms.os() << c;
        return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, MTag const & t)
+MathMLStream & operator<<(MathMLStream & ms, char_type c)
+{
+       ms.os().put(c);
+       return ms;
+}
+
+
+MathMLStream & operator<<(MathMLStream & ms, MTag const & t)
 {
-       ++ms.tab();
        ms.cr();
-       ms.os() << '<' << from_ascii(t.tag_) << '>';
+       ++ms.tab();
+       ms.os() << '<' << from_ascii(ms.namespacedTag(t.tag_));
+       if (!t.attr_.empty())
+               ms.os() << " " << from_ascii(t.attr_);
+       ms << ">";
        return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, ETag const & t)
+MathMLStream & operator<<(MathMLStream & ms, MTagInline const & t)
 {
        ms.cr();
+       ms.os() << '<' << from_ascii(ms.namespacedTag(t.tag_));
+       if (!t.attr_.empty())
+               ms.os() << " " << from_ascii(t.attr_);
+       ms << ">";
+       return ms;
+}
+
+
+MathMLStream & operator<<(MathMLStream & ms, ETag const & t)
+{
        if (ms.tab() > 0)
                --ms.tab();
-       ms.os() << "</" << from_ascii(t.tag_) << '>';
+       ms.cr();
+       ms.os() << "</" << from_ascii(ms.namespacedTag(t.tag_)) << ">";
        return ms;
 }
 
 
-void MathStream::cr()
+MathMLStream & operator<<(MathMLStream & ms, ETagInline const & t)
 {
-       os() << '\n';
-       for (int i = 0; i < tab(); ++i)
-               os() << ' ';
+       ms.os() << "</" << from_ascii(ms.namespacedTag(t.tag_)) << ">";
+       return ms;
+}
+
+
+MathMLStream & operator<<(MathMLStream & ms, CTag const & t)
+{
+       ms.cr();
+       ms.os() << "<" << from_ascii(ms.namespacedTag(t.tag_));
+    if (!t.attr_.empty())
+        ms.os() << " " << from_utf8(t.attr_);
+    ms.os() << "/>";
+       return ms;
+}
+
+
+MathMLStream & operator<<(MathMLStream & ms, docstring const & s)
+{
+       ms.os() << s;
+       return ms;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+
+
+HtmlStream::HtmlStream(odocstream & os)
+       : os_(os), tab_(0), line_(0), in_text_(false)
+{}
+
+
+void HtmlStream::defer(docstring const & s)
+{
+       deferred_ << s;
+}
+
+
+void HtmlStream::defer(string const & s)
+{
+       deferred_ << from_utf8(s);
+}
+
+
+docstring HtmlStream::deferred() const
+{
+       return deferred_.str();
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, MathAtom const & at)
+{
+       at->htmlize(ms);
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, MathData const & ar)
+{
+       htmlize(ar, ms);
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, char const * s)
+{
+       ms.os() << s;
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, char c)
+{
+       ms.os() << c;
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, char_type c)
+{
+       ms.os().put(c);
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, MTag const & t)
+{
+       ms.os() << '<' << from_ascii(t.tag_);
+       if (!t.attr_.empty())
+               ms.os() << " " << from_ascii(t.attr_);
+       ms << '>';
+       return ms;
 }
 
 
-MathStream & operator<<(MathStream & ms, docstring const & s)
+HtmlStream & operator<<(HtmlStream & ms, ETag const & t)
+{
+       ms.os() << "</" << from_ascii(t.tag_) << '>';
+       return ms;
+}
+
+
+HtmlStream & operator<<(HtmlStream & ms, docstring const & s)
 {
        ms.os() << s;
        return ms;
 }
 
+
+//////////////////////////////////////////////////////////////////////
+
+
+SetMode::SetMode(MathMLStream & ms, bool text)
+       : ms_(ms)
+{
+       was_text_ = ms_.inText();
+       ms_.setTextMode(text);
+}
+
+
+SetMode::~SetMode()
+{
+       ms_.setTextMode(was_text_);
+}
+
+
+//////////////////////////////////////////////////////////////////////
+
+
+SetHTMLMode::SetHTMLMode(HtmlStream & os, bool text)
+       : os_(os)
+{
+       was_text_ = os_.inText();
+       os_.setTextMode(text);
+}
+
+
+SetHTMLMode::~SetHTMLMode()
+{
+       os_.setTextMode(was_text_);
+}
+
+
 //////////////////////////////////////////////////////////////////////
 
 
@@ -465,11 +744,38 @@ OctaveStream & operator<<(OctaveStream & ns, char_type c)
 }
 
 
-OctaveStream & operator<<(OctaveStream & os, std::string const & s)
+OctaveStream & operator<<(OctaveStream & os, string const & s)
 {
        os.os() << from_utf8(s);
        return os;
 }
 
 
+docstring convertDelimToXMLEscape(docstring const & name)
+{
+       if (name.size() == 1) {
+               char_type const c = name[0];
+               if (c == '<')
+                       return from_ascii("&lt;");
+               else if (c == '>')
+                       return from_ascii("&gt;");
+               else
+                       return name;
+       } else if (name.size() == 2 && name[0] == '\\') {
+               char_type const c = name[1];
+               if (c == '{')
+                       return from_ascii("&#123;");
+               else if (c == '}')
+                       return from_ascii("&#125;");
+       }
+       MathWordList const & words = mathedWordList();
+       MathWordList::const_iterator it = words.find(name);
+       if (it != words.end()) {
+               docstring const escape = it->second.xmlname;
+               return escape;
+       }
+       LYXERR0("Unable to find `" << name <<"' in the mathWordList.");
+       return name;
+}
+
 } // namespace lyx