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new parser

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2528 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2001-08-17 09:48:24 +00:00
parent b76821ddff
commit 77dca4f3bc
14 changed files with 582 additions and 555 deletions
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4
src/mathed/ChangeLog
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@ -1,3 +1,7 @@
2001-08-17 André Pönitz <poenitz@gmx.net>
* math_parser.C: new "lexxer"
2001-08-13 André Pönitz <poenitz@gmx.net>
* math_factory.[Ch]: new files for the creation of math insets

11
src/mathed/formulabase.C
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@ -553,11 +553,12 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
case LFUN_MATH_SPACE:
{
bv->lockedInsetStoreUndo(Undo::EDIT);
MathSpaceInset * p = mathcursor->prevSpaceInset();
if (p)
p->incSpace();
else
mathcursor->insert(new MathSpaceInset(1));
//MathSpaceInset * p = mathcursor->prevSpaceInset();
//if (p)
// p->incSpace();
//else
// mathcursor->insert(new MathSpaceInset(1));
mathcursor->insert(new MathSpaceInset(1));
updateLocal(bv, true);
break;
}

20
src/mathed/math_charinset.C
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@ -2,6 +2,8 @@
#pragma implementation
#endif
#include <cctype>
#include "math_charinset.h"
#include "LColor.h"
#include "Painter.h"
@ -11,11 +13,27 @@
#include "debug.h"
MathCharInset::MathCharInset(char c)
: char_(c), code_(nativeCode(c))
{
if (isalpha(c))
code_ = LM_TC_VAR;
}
MathCharInset::MathCharInset(char c, MathTextCodes t)
: char_(c), code_(t)
: char_(c), code_((t == LM_TC_MIN) ? nativeCode(c) : t)
{}
MathTextCodes MathCharInset::nativeCode(char c) const
{
if (isalpha(c))
return LM_TC_VAR;
return LM_TC_MIN;
}
MathInset * MathCharInset::clone() const
{
return new MathCharInset(*this);

4
src/mathed/math_charinset.h
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@ -14,11 +14,15 @@
class MathCharInset : public MathInset {
public:
///
explicit MathCharInset(char c);
///
MathCharInset(char c, MathTextCodes t);
///
MathInset * clone() const;
///
MathTextCodes nativeCode(char c) const;
///
void metrics(MathStyles st) const;
///
void draw(Painter &, int x, int y) const;

17
src/mathed/math_cursor.C
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@ -1277,16 +1277,9 @@ void MathCursor::interpret(string const & s)
return;
}
if (('0' <= c && c <= '9') || strchr(";:!|[]().,?", c)) {
if (strchr("0123456789;:!|[]().,?+/-*<>=", c)) {
if (lastcode_ != LM_TC_TEXTRM)
lastcode_ = LM_TC_CONST;
insert(c, lastcode_);
return;
}
if (strchr("+/-*<>=", c)) {
if (lastcode_ != LM_TC_TEXTRM)
lastcode_ = LM_TC_BOP;
lastcode_ = LM_TC_VAR;
insert(c, lastcode_);
return;
}
@ -1305,6 +1298,12 @@ void MathCursor::interpret(string const & s)
return;
}
MathSpaceInset * p = prevSpaceInset();
if (p) {
p->incSpace();
return;
}
if (lastcode_ == LM_TC_TEXTRM) {
insert(c, LM_TC_TEXTRM);
return;

4
src/mathed/math_defs.h
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@ -55,8 +55,6 @@ enum MathTextCodes {
///
LM_FONT_BEGIN,
/// Internal code for constants 4
LM_TC_CONST,
/// Internal code for variables
LM_TC_VAR,
///
@ -81,8 +79,6 @@ enum MathTextCodes {
LM_TC_GREEK,
/// Internal code when typing a single greek character
LM_TC_GREEK1,
/// Internal code for operators
LM_TC_BOP,
/// Internal code for symbols
LM_TC_SYMB,
/// Internal code for symbols that get bigger in displayed math

13
src/mathed/math_deliminset.C
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@ -64,8 +64,13 @@ void MathDelimInset::metrics(MathStyles st) const
{
xcell(0).metrics(st);
size_ = st;
ascent_ = std::max(xcell(0).ascent(), mathed_char_ascent(LM_TC_VAR, st,'I'));
descent_ = xcell(0).descent();
int a, d, w;
mathed_char_dim(LM_TC_VAR, st,'I', a, d, w);
int h0 = (a + d) / 2;
int a0 = std::max(xcell(0).ascent(), a) - h0;
int d0 = std::max(xcell(0).descent(), d) + h0;
ascent_ = max(a0, d0) + h0;
descent_ = max(a0, d0) - h0;
width_ = xcell(0).width() + 2 * dw() + 4;
}
@ -78,6 +83,6 @@ void MathDelimInset::draw(Painter & pain, int x, int y) const
int const w = dw();
int const b = y - ascent_ - 2;
xcell(0).draw(pain, x + w + 2, y);
mathed_draw_deco(pain, x, b, w, height() + 4, left_);
mathed_draw_deco(pain, x + width() - w, b, w, height() + 4, right_);
mathed_draw_deco(pain, x + 1, b, w, height() + 4, left_);
mathed_draw_deco(pain, x + width() - w - 1, b, w, height() + 4, right_);
}

3
src/mathed/math_factory.C
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@ -11,6 +11,7 @@
#include "math_macro.h"
#include "math_macrotable.h"
#include "math_noglyphinset.h"
#include "math_notinset.h"
#include "math_rootinset.h"
#include "math_spaceinset.h"
#include "math_sqrtinset.h"
@ -38,6 +39,8 @@ MathInset * createMathInset(latexkeys const * l)
case LM_TK_OVER:
case LM_TK_FRAC:
return new MathFracInset;
case LM_TK_NOT:
return new MathNotInset;
case LM_TK_SQRT:
return new MathSqrtInset;
case LM_TK_ROOT:

2
src/mathed/math_inset.h
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@ -181,6 +181,8 @@ public:
///
virtual bool isRelOp() const { return false; }
///
virtual bool isMacro() const { return false; }
///
virtual char getChar() const { return 0; }
///
virtual MathTextCodes code() const { return LM_TC_MIN; }

4
src/mathed/math_macro.C
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@ -129,8 +129,8 @@ void MathMacro::draw(Painter & pain, int x, int y) const
col = LColor::black;
}
if (nargs() > 0)
pain.rectangle(x + 1, y - ascent() + 1, width() - 2, height() - 2, col);
//if (nargs() > 0)
// pain.rectangle(x + 1, y - ascent() + 1, width() - 2, height() - 2, col);
}

2
src/mathed/math_macro.h
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@ -64,6 +64,8 @@ public:
///
void validate(LaTeXFeatures &) const;
///
bool isMacro() const { return true; }
private:
///

1027
src/mathed/math_parser.C
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File diff suppressed because it is too large Load Diff

8
src/mathed/math_parser.h
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@ -37,13 +37,7 @@ class LyXLex;
enum MathTokenEnum
{
///
LM_TK_BOP = 256,
///
LM_TK_ALPHA,
///
LM_TK_STR,
///
LM_TK_SYM,
LM_TK_SYM = 256,
///
LM_TK_CHOOSE,
///

18
src/mathed/support.C
View File

@ -16,6 +16,12 @@ using std::endl;
using std::max;
bool isBinaryOp(char c)
{
return strchr("+-<>=/*", c);
}
///
class Matrix {
public:
@ -533,7 +539,7 @@ int mathed_char_descent(MathTextCodes type, MathStyles size, unsigned char c)
int mathed_char_width(MathTextCodes type, MathStyles size, unsigned char c)
{
LyXFont const font = WhichFont(type, size);
if (type == LM_TC_BOP)
if (isBinaryOp(c))
return lyxfont::width(c, font) + 2 * lyxfont::width(' ', font);
else
return lyxfont::width(c, font);
@ -655,12 +661,6 @@ void mathed_draw_deco(Painter & pain, int x, int y, int w, int h,
}
bool isBinaryOp(char c)
{
return true;
}
// In a near future maybe we use a better fonts renderer
void drawStr(Painter & pain, MathTextCodes type, MathStyles siz,
int x, int y, string const & s)
@ -673,10 +673,10 @@ void drawChar
(Painter & pain, MathTextCodes type, MathStyles siz, int x, int y, char c)
{
string s;
if (type == LM_TC_BOP)
if (isBinaryOp(c))
s += ' ';
s += c;
if (type == LM_TC_BOP)
if (isBinaryOp(c))
s += ' ';
drawStr(pain, type, siz, x, y, s);
}