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fix parser bug;

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some stuff for hadling xymatrix (not 'activated' yet)


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3514 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2002-02-11 08:19:02 +00:00
parent 27e96b13bf
commit dd60fa8ccb
11 changed files with 250 additions and 46 deletions
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75
src/mathed/math_gridinset.C
View File

@ -12,18 +12,6 @@
namespace {
///
int const COLSEP = 6;
///
int const ROWSEP = 6;
///
int const HLINESEP = 3;
///
int const VLINESEP = 3;
///
int const BORDER = 2;
string verboseHLine(int n)
{
string res;
@ -239,7 +227,7 @@ void MathGridInset::metrics(MathMetricsInfo const & mi) const
rowinfo_[row].ascent_ = asc;
rowinfo_[row].descent_ = desc;
}
rowinfo_[0].ascent_ += HLINESEP * rowinfo_[0].lines_;
rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
rowinfo_[nrows()].ascent_ = 0;
rowinfo_[nrows()].descent_ = 0;
@ -250,8 +238,8 @@ void MathGridInset::metrics(MathMetricsInfo const & mi) const
rowinfo_[row - 1].offset_ +
rowinfo_[row - 1].descent_ +
rowinfo_[row - 1].skipPixels() +
ROWSEP +
rowinfo_[row].lines_ * HLINESEP +
rowsep() +
rowinfo_[row].lines_ * hlinesep() +
rowinfo_[row].ascent_;
}
@ -281,31 +269,31 @@ void MathGridInset::metrics(MathMetricsInfo const & mi) const
colinfo_[ncols()].width_ = 0;
// compute horizontal offsets
colinfo_[0].offset_ = BORDER;
colinfo_[0].offset_ = border();
for (col_type col = 1; col <= ncols(); ++col) {
colinfo_[col].offset_ =
colinfo_[col - 1].offset_ +
colinfo_[col - 1].width_ +
colinfo_[col - 1].skip_ +
COLSEP +
colinfo_[col].lines_ * VLINESEP;
colsep() +
colinfo_[col].lines_ * vlinesep();
}
width_ = colinfo_[ncols() - 1].offset_
+ colinfo_[ncols() - 1].width_
+ VLINESEP * colinfo_[ncols()].lines_
+ BORDER;
+ vlinesep() * colinfo_[ncols()].lines_
+ border();
ascent_ = - rowinfo_[0].offset_
+ rowinfo_[0].ascent_
+ HLINESEP * rowinfo_[0].lines_
+ BORDER;
+ hlinesep() * rowinfo_[0].lines_
+ border();
descent_ = rowinfo_[nrows() - 1].offset_
+ rowinfo_[nrows() - 1].descent_
+ HLINESEP * rowinfo_[nrows()].lines_
+ BORDER;
+ hlinesep() * rowinfo_[nrows()].lines_
+ border();
/*
@ -319,7 +307,7 @@ void MathGridInset::metrics(MathMetricsInfo const & mi) const
ws_[0] = 7 * workwidth / 8;
// Adjust local tabs
width = COLSEP;
width = colsep();
for (cxrow = row_.begin(); cxrow; ++cxrow) {
int rg = COLSEP;
int lf = 0;
@ -351,9 +339,9 @@ void MathGridInset::metrics(MathMetricsInfo const & mi) const
}
int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
cxrow->setTab(i, lf + rg);
rg = ws_[i] - ww + COLSEP;
rg = ws_[i] - ww + colsep();
if (cxrow == row_.begin())
width += ws_[i] + COLSEP;
width += ws_[i] + colsep();
}
cxrow->setBaseline(cxrow->getBaseline() - ascent);
}
@ -369,14 +357,14 @@ void MathGridInset::draw(Painter & pain, int x, int y) const
for (row_type row = 0; row <= nrows(); ++row)
for (int i = 0; i < rowinfo_[row].lines_; ++i) {
int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
- i * HLINESEP - HLINESEP/2 - ROWSEP/2;
- i * hlinesep() - hlinesep()/2 - rowsep()/2;
pain.line(x + 1, yy, x + width_ - 1, yy);
}
for (col_type col = 0; col <= ncols(); ++col)
for (int i = 0; i < colinfo_[col].lines_; ++i) {
int xx = x + colinfo_[col].offset_
- i * VLINESEP - VLINESEP/2 - COLSEP/2;
- i * vlinesep() - vlinesep()/2 - colsep()/2;
pain.line(xx, y - ascent_ + 1, xx, y + descent_ - 1);
}
}
@ -704,3 +692,32 @@ void MathGridInset::write(WriteStream & os) const
os << "\\\\" << s;
}
int MathGridInset::colsep() const
{
return 6;
}
int MathGridInset::rowsep() const
{
return 6;
}
int MathGridInset::hlinesep() const
{
return 3;
}
int MathGridInset::vlinesep() const
{
return 3;
}
int MathGridInset::border() const
{
return 2;
}

11
src/mathed/math_gridinset.h
View File

@ -151,6 +151,17 @@ public:
///
void setDefaults();
///
virtual int colsep() const;
///
virtual int rowsep() const;
///
virtual int hlinesep() const;
///
virtual int vlinesep() const;
///
virtual int border() const;
///
void write(WriteStream & os) const;
///

2
src/mathed/math_inset.h
View File

@ -62,6 +62,7 @@ class MathStringInset;
class MathSpaceInset;
class MathSymbolInset;
class MathUnknownInset;
class MathXYMatrixInset;
class NormalStream;
class OctaveStream;
@ -197,6 +198,7 @@ public:
virtual MathStringInset * asStringInset() { return 0; }
virtual MathSymbolInset const * asSymbolInset() const { return 0; }
virtual MathUnknownInset const * asUnknownInset() const { return 0; }
virtual MathXYMatrixInset const* asXYMatrixInset() const{ return 0; }
virtual UpdatableInset * asHyperActiveInset() const { return 0; }
/// identifies things that can get scripts

9
src/mathed/math_metricsinfo.h
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@ -4,6 +4,7 @@
#include "lyxfont.h"
class BufferView;
class MathNestInset;
/// Standard Math Sizes (Math mode styles)
@ -22,11 +23,11 @@ enum MathStyles {
struct MathMetricsInfo {
///
MathMetricsInfo()
: view(0), font(), style(LM_ST_TEXT)
: view(0), font(), style(LM_ST_TEXT), inset(0)
{}
///
MathMetricsInfo(BufferView * v, LyXFont const & f, MathStyles s)
: view(v), font(f), style(s)
: view(v), font(f), style(s), inset(0)
{}
///
@ -35,6 +36,10 @@ struct MathMetricsInfo {
LyXFont font;
///
MathStyles style;
/// used to pass some info down
MathNestInset const * inset;
///
int idx;
};
#endif

8
src/mathed/math_nestinset.C
View File

@ -51,8 +51,12 @@ void MathNestInset::substitute(MathMacro const & m)
void MathNestInset::metrics(MathMetricsInfo const & mi) const
{
for (idx_type i = 0; i < nargs(); ++i)
xcell(i).metrics(mi);
MathMetricsInfo m = mi;
m.inset = this;
for (idx_type i = 0; i < nargs(); ++i) {
m.idx = i;
xcell(i).metrics(m);
}
}

42
src/mathed/math_parser.C
View File

@ -71,6 +71,7 @@ point to write some macros:
#include "math_splitinset.h"
#include "math_sqrtinset.h"
#include "math_support.h"
#include "math_xyarrowinset.h"
#include "lyxlex.h"
#include "debug.h"
@ -268,6 +269,8 @@ private:
bool parse_lines(MathAtom & t, bool numbered, bool outmost);
/// parses {... & ... \\ ... & ... }
bool parse_lines2(MathAtom & t);
/// dump contents to screen
void dump() const;
private:
///
@ -421,6 +424,8 @@ char Parser::getChar()
string Parser::getArg(char lf, char rg)
{
skipSpaces();
string result;
char c = getChar();
@ -507,18 +512,23 @@ void Parser::tokenize(string const & buffer)
}
}
#if 0
//dump();
}
void Parser::dump() const
{
lyxerr << "\nTokens: ";
for (unsigned i = 0; i < tokens_.size(); ++i)
lyxerr << tokens_[i];
lyxerr << "\n";
#endif
}
void Parser::error(string const & msg)
{
lyxerr << "Line ~" << lineno_ << ": Math parse error: " << msg << endl;
dump();
//exit(1);
}
@ -528,6 +538,7 @@ bool Parser::parse_lines(MathAtom & t, bool numbered, bool outmost)
{
MathGridInset * p = t->asGridInset();
if (!p) {
dump();
lyxerr << "error in Parser::parse_lines() 1\n";
return false;
}
@ -1076,11 +1087,30 @@ void Parser::parse_into1(MathArray & array, unsigned flags, MathTextCodes code)
parse_lines2(array.back());
}
// Disabled
#if 0
else if (0 && t.cs() == "ar") {
array.push_back(createMathInset(t.cs()));
parse_lines2(array.back());
// Disabled
else if (1 && t.cs() == "ar") {
MathXYArrowInset * p = new MathXYArrowInset;
// try to read target
char c = getChar();
if (c == '[') {
parse_into(p->cell(0), FLAG_BRACK_END);
//lyxerr << "read target: " << p->cell(0) << "\n";
} else {
putback();
}
// try to read label
if (nextToken().cat() == catSuper || nextToken().cat() == catSub) {
p->up_ = nextToken().cat() == catSuper;
getToken();
parse_into(p->cell(1), FLAG_ITEM);
//lyxerr << "read label: " << p->cell(1) << "\n";
}
array.push_back(MathAtom(p));
//lyxerr << "read array: " << array << "\n";
}
else if (t.cs() == "mbox") {

4
src/mathed/math_xdata.h
View File

@ -37,6 +37,10 @@ public:
int xo() const { return xo_; }
/// access to cached y coordinate of last drawing
int yo() const { return yo_; }
/// access to cached x coordinate of mid point of last drawing
int xm() const { return xo_ + width_ / 2; }
/// access to cached y coordinate of mid point of last drawing
int ym() const { return yo_ + (descent_ - ascent_) / 2; }
/// returns x coordinate of given position in the array
int pos2x(size_type pos) const;
/// returns position of given x coordinate

103
src/mathed/math_xyarrowinset.C
View File

@ -5,12 +5,17 @@
#endif
#include "math_xyarrowinset.h"
#include "math_xymatrixinset.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
#include "math_cursor.h"
#include "math_support.h"
#include "Painter.h"
#include "debug.h"
MathXYArrowInset::MathXYArrowInset()
: MathNestInset(1)
: MathNestInset(2)
{}
@ -20,17 +25,107 @@ MathInset * MathXYArrowInset::clone() const
}
bool MathXYArrowInset::editing() const
{
return mathcursor && mathcursor->isInside(this);
}
MathXYMatrixInset const * MathXYArrowInset::targetMatrix() const
{
return mi_.inset ? mi_.inset->asXYMatrixInset() : 0;
}
MathXArray const & MathXYArrowInset::targetCell() const
{
MathXYMatrixInset const * p = targetMatrix();
int x = 0;
int y = 0;
MathArray const & t = cell(0);
for (MathArray::const_iterator it = t.begin(); it != t.end(); ++it) {
switch ((*it)->getChar()) {
case 'l': --x; break;
case 'r': ++x; break;
case 'u': --y; break;
case 'd': ++y; break;
}
}
//lyxerr << "target: x: " << x << " y: " << y << "\n";
int n = mi_.idx + p->ncols() * y + x;
if (n < 0 || n >= int(p->nargs())) {
lyxerr << "source: n: " << mi_.idx << "\n";
lyxerr << "target: n: " << n << " out of range\n";
n = 0;
}
return p->xcell(n);
}
MathXArray const & MathXYArrowInset::sourceCell() const
{
return targetMatrix()->xcell(mi_.idx);
}
void MathXYArrowInset::metrics(MathMetricsInfo const & mi) const
{
mi_ = mi;
MathNestInset::metrics(mi);
if (editing()) {
int w = mathed_string_width(LM_TC_TEXTRM, mi_, "target: ");
width_ = w + std::max(xcell(0).width(), xcell(1).width());
ascent_ = xcell(0).ascent();
descent_ = xcell(0).descent() + xcell(1).height() + 10;
} else {
width_ = 0;
ascent_ = 0;
descent_ = 0;
//mathed_string_dim(LM_TC_TEXTRM, mi_, "X", ascent_, descent_, width_);
}
}
void MathXYArrowInset::draw(Painter & pain, int x, int y) const
{
metrics(mi_);
if (editing()) {
int lasc;
int ldes;
int lwid;
mathed_string_dim(LM_TC_TEXTRM, mi_, "target: ", lasc, ldes, lwid);
xcell(0).draw(pain, x + lwid, y);
drawStr(pain, LM_TC_TEXTRM, mi_, x + 3, y, "target");
y += std::max(xcell(0).descent(), ldes) + 5;
y += std::max(xcell(1).ascent(), lasc) + 5;
xcell(1).draw(pain, x + lwid, y);
drawStr(pain, LM_TC_TEXTRM, mi_, x + 3, y, "label");
} else {
//drawStr(pain, LM_TC_TEXTRM, mi_, x, y, "X");
MathXArray const & s = sourceCell();
MathXArray const & t = targetCell();
pain.line(s.xm(), s.ym(), t.xm(), t.ym(), LColor::math);
xcell(1).draw(pain, (s.xm() + t.xm())/2, (s.ym() + t.ym())/2);
}
}
void MathXYArrowInset::write(WriteStream & os) const
{
os << "\\ar{";
MathNestInset::write(os);
os << "}\n";
os << "\\ar";
if (cell(0).size())
os << "[" << cell(0) << "]";
if (cell(1).size())
os << (up_ ? "^" : "_") << "{" << cell(1) << "}";
os << " ";
}

22
src/mathed/math_xyarrowinset.h
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@ -8,6 +8,9 @@
#pragma interface
#endif
// for the \ar stuff in \xymatrix
class MathXYMatrixInset;
class MathXYArrowInset : public MathNestInset {
public:
@ -18,14 +21,31 @@ public:
///
void metrics(MathMetricsInfo const & st) const;
///
void draw(Painter & pain, int x, int y) const;
///
MathXYArrowInset * asXYArrowInset() { return this; }
///
void normalize();
bool editing() const;
///
void normalize();
///
void write(WriteStream & os) const;
///
void normalize(NormalStream &) const;
public:
///
MathXYMatrixInset const * targetMatrix() const;
///
MathXArray const & targetCell() const;
///
MathXArray const & sourceCell() const;
///
bool up_;
///
mutable MathMetricsInfo mi_;
};
#endif

12
src/mathed/math_xymatrixinset.C
View File

@ -20,6 +20,18 @@ MathInset * MathXYMatrixInset::clone() const
}
int MathXYMatrixInset::colsep() const
{
return 40;
}
int MathXYMatrixInset::rowsep() const
{
return 40;
}
void MathXYMatrixInset::metrics(MathMetricsInfo const & st) const
{
MathMetricsInfo mi = st;

8
src/mathed/math_xymatrixinset.h
View File

@ -18,10 +18,14 @@ public:
///
void metrics(MathMetricsInfo const & st) const;
///
MathXYMatrixInset * asXYMatrixInset() { return this; }
MathXYMatrixInset const * asXYMatrixInset() const { return this; }
///
virtual int colsep() const;
///
virtual int rowsep() const;
///
void normalize();
///
void write(WriteStream & os) const;
///