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DataFilter.cpp
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DataFilter.cpp
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/*
* Copyright (c) 2012 Mark Liversedge (liversedge@gmail.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Utils.h"
#include "Statistic.h"
#include "DataFilter.h"
#include "Context.h"
#include "Athlete.h"
#include "RideItem.h"
#include "IntervalItem.h"
#include "RideNavigator.h"
#include "RideFileCache.h"
#include "PMCData.h"
#include "Banister.h"
#include "LTMSettings.h"
#include "VDOTCalculator.h"
#include "DataProcessor.h"
#include "GenericSelectTool.h" // for generic calculator
#include <QDebug>
#include <QMutex>
#include "lmcurve.h"
#include "LTMTrend.h" // for LR when copying CP chart filtering mechanism
#ifdef GC_WANT_PYTHON
#include "PythonEmbed.h"
QMutex pythonMutex;
#endif
#include "Zones.h"
#include "PaceZones.h"
#include "HrZones.h"
#include "UserChart.h"
#include "DataFilter_yacc.h"
// control access to runtimes to avoid calls from multiple threads
// v4 functions
static struct {
QString name;
int parameters; // -1 is end of list, 0 is variable number, >0 is number of parms needed
} DataFilterFunctions[] = {
// ALWAYS ADD TO BOTTOM OF LIST AS ARRAY OFFSET
// USED IN SWITCH STATEMENT AT RUNTIME DO NOT BE
// TEMPTED TO ADD IN THE MIDDLE !!!!
// math.h
{ "cos", 1 },
{ "tan", 1 },
{ "sin", 1 },
{ "acos", 1 },
{ "atan", 1 },
{ "asin", 1 },
{ "cosh", 1 },
{ "tanh", 1 },
{ "sinh", 1 },
{ "acosh", 1 },
{ "atanh", 1 },
{ "asinh", 1 },
{ "exp", 1 },
{ "log", 1 },
{ "log10", 1 },
{ "ceil", 1 },
{ "floor", 1 },
{ "round", 1 },
{ "fabs", 1 },
{ "isinf", 1 },
{ "isnan", 1 },
// primarily for working with vectors, but can
// have variable number of parameters so probably
// quite useful for a number of things
{ "sum", 0 },
{ "mean", 0 },
{ "max", 0 },
{ "min", 0 },
{ "count", 0 },
// PMC functions
{ "lts", 1 },
{ "sts", 1 },
{ "sb", 1 },
{ "rr", 1 },
// estimate
{ "estimate", 2 }, // estimate(model, (cp|ftp|w'|pmax|x))
// more vector operations
{ "which", 0 }, // which(expr, ...) - create vector contain values that pass expr
// set
{ "set", 3 }, // set(symbol, value, filter)
{ "unset", 2 }, // unset(symbol, filter)
{ "isset", 1 }, // isset(symbol) - is the metric or metadata overridden/defined
// VDOT and time/distance functions
{ "vdottime", 2 }, // vdottime(VDOT, distance[km]) - result is seconds
{ "besttime", 1 }, // besttime(distance[km]) - result is seconds
// XDATA access
{ "XDATA", 3 }, // e.g. xdata("WEATHER","HUMIDITY", repeat|sparse|interpolate |resample)
// print to qDebug for debugging
{ "print", 1 }, // print(..) to qDebug for debugging
// Data Processor functions on filtered activiies
{ "autoprocess", 1 }, // autoprocess(filter) to run auto data processors
{ "postprocess", 2 }, // postprocess(processor, filter) to run processor
// XDATA access
{ "XDATA_UNITS", 2 }, // e.g. xdata("WEATHER", "HUMIDITY") returns "Relative Humidity"
// Daily Measures Access by date
{ "measure", 3 }, // measure(DATE, "Hrv", "RMSSD")
// how many performance tests in the ride?
{ "tests", 0 },
// banister function
{ "banister", 3 }, // banister(load_metric, perf_metric, nte|pte|perf|cp)
// working with vectors
{ "c", 0 }, // return an array from concatated from paramaters (same as R) e.g. c(1,2,3,4,5)
{ "seq", 3 }, // create a vector with a range seq(start,stop,step)
{ "rep", 2 }, // create a vector of repeated values rep(value, n)
{ "length", 1}, // get length of a vector (can be zero where isnumber not a vector)
{ "append", 0}, // append vector append(symbol, expr [, at]) -- must reference a symbol
{ "remove", 3}, // remove vector elements remove(symbol, start, count) -- must reference a symbol
{ "mid", 3}, // subset of a vector mid(a,pos,count) -- returns a vector of size count from pos ion a
{ "samples", 1 }, // e.g. samples(POWER) - when on analysis view get vector of samples for the current activity
{ "metrics", 1 }, // e.g. metrics(BikeStress) - when on trend view get vector of activity metrics for current daterange}
{ "argsort", 2 }, // argsort(ascend|descend, list) - return a sorting index (ala numpy.argsort).
{ "sort", 0 }, // sort(ascend|descend, list1 [, list2, listn]) - sorts each list together, based upon list1, no limit to the
// number of lists but they must have the same length. the first list contains the values that define
// the sort order. since the sort is 'in-situ' the lists must all be user symbols. returns number of items
// sorted. this is impure from a functional programming perspective, but allows us to avoid using dataframes
// to manage x,y,z,t style data series when sorting.
{ "head", 2 }, // head(list, n) - returns vector of first n elements of list (or fewer if not so big)
{ "tail", 2 }, // tail(list, n) - returns vector of last n elements of list (or fewer if not so big)
{ "meanmax", 1 }, // meanmax(POWER) - when on trend view get a vector of meanmaximal data for the specific series
{ "pmc", 2 }, // pmc(symbol, stress|lts|sts|sb|rr|date) - get a vector of PMC series for the metric in symbol for the current date range.
{ "sapply", 2 }, // sapply(vector, expr) - returns a vector where expr has been applied to every element. x and i
// are both available in the expr for element value and index position.
{ "lr", 2 }, // lr(xlist, ylist) - linear regression on x,y co-ords returns vector [slope, intercept, r2, see]
{ "smooth", 0 }, // smooth(list, algorithm, ... parameters) - returns smoothed data.
{ "sqrt", 1 }, // sqrt(x) - returns square root, for vectors returns the sqrt of the sum
{ "lm", 3 }, // lm(formula, xseries, yseries) - fit using LM and return fit goodness.
// formula is an expression involving existing user symbols, their current values
// will be used as the starting values by the fit. once the fit has been completed
// the user symbols will contain the estimated parameters and lm will return some
// diagnostics goodness of fit measures [ success, RMSE, CV ] where a non-zero value
// for success means true, if it is false, RMSE and CV will be set to -1
{ "bool", 1 }, // bool(e) - will turn the passed parameter into a boolean with value 0 or 1
// this is useful for embedding logical expresissions into formulas. Since the
// grammar does not support (a*x>1), instead we can use a*bool(x>1). All non
// zero expressions will evaluate to 1.
{ "annotate", 0 }, // annotate(type, parms) - add an annotation to the chart, will no doubt
// extend over time to cover lots of different types, but for now
// supports 'label', which has n texts and numbers which are concatenated
// together to make a label; eg. annotate(label, "CP ", cpval, " watts");
{ "arguniq", 1 }, // returns an index of the uniq values in a vector, in the same way
// argsort returns an index, can then be used to select from samples
// or activity vectors
{ "uniq", 0 }, // stable uniq will keep original sequence but remove duplicates, does
// not need the data to be sorted, as it uses argsort internally. As
// you can pass multiple vectors they are uniqued in sync with the first list.
{ "variance", 1 }, // variance(v) - calculates the variance for the elements in the vector.
{ "stddev", 1 }, // stddev(v) - calculates the standard deviation for elements in the vector.
{ "curve", 2 }, // curve(series, x|y|z|d|t) - fetch the computed values for another curve
// will need to be on a user chart, and the series will need to have already
// been computed.
// add new ones above this line
{ "", -1 }
};
static QStringList pdmodels()
{
QStringList returning;
returning << "2p";
returning << "3p";
returning << "ext";
returning << "ws";
returning << "velo";
return returning;
}
QStringList
DataFilter::builtins()
{
QStringList returning;
for(int i=0; DataFilterFunctions[i].parameters != -1; i++) {
if (i == 30) { // special case 'estimate' we describe it
foreach(QString model, pdmodels())
returning << "estimate(" + model + ", x)";
} else if (i == 31) { // which example
returning << "which(x>0, ...)";
} else if (i == 32) { // set example
returning <<"set(field, value, expr)";
} else if (i == 37) {
returning << "XDATA(\"xdata\", \"series\", sparse|repeat|interpolate|resample)";
} else if (i == 41) {
returning << "XDATA_UNITS(\"xdata\", \"series\")";
} else if (i == 42) {
Measures measures = Measures();
QStringList groupSymbols = measures.getGroupSymbols();
for (int g=0; g<groupSymbols.count(); g++)
foreach (QString fieldSymbol, measures.getFieldSymbols(g))
returning << QString("measure(Date, \"%1\", \"%2\")").arg(groupSymbols[g]).arg(fieldSymbol);
} else if (i == 44) {
// banister
returning << "banister(load_metric, perf_metric, nte|pte|perf|cp|date)";
} else if (i == 45) {
// concat
returning << "c(...)";
} else if (i == 46) {
// seq
returning << "seq(start,stop,step)";
} else if (i == 47) {
// seq
returning << "rep(value,n)";
} else if (i == 48) {
// length
returning << "length(vector)";
} else if (i == 49) {
// append
returning << "append(a,b,[pos])"; // position is optional
} else if (i == 50) {
// remove
returning << "remove(a,pos,count)";
} else if (i == 51) {
// mid
returning << "mid(a,pos,count)"; // subset
} else if (i == 52) {
// get a vector of data series samples
returning << "samples(POWER|HR etc)";
} else if (i == 53) {
// get a vector of activity metrics - date is integer as days since epoch
returning << "metrics(symbol|date)";
} else if (i == 54) {
// argsort
returning << "argsort(ascend|descend, list)";
} else if (i == 55) {
// argsort
returning << "sort(ascend|descend, list [, list2 .. ,listn])";
} else if (i == 56) {
// head
returning << "head(list, n)";
} else if (i == 57) {
// tail
returning << "tail(list, n)";
} else if (i== 58) {
// meanmax
returning << "meanmax(POWER|WPK|HR|CADENCE|SPEED)";
} else if (i == 59) {
// pmc
returning << "pmc(metric, stress|lts|sts|sb|rr|date)";
} else if (i == 60) {
// sapply
returning << "sapply(list, expr)";
} else if (i == 61) {
returning << "lr(xlist, ylist)";
} else if (i == 64) {
returning << "lm(formula, xlist, ylist)";
} else if (i == 66) {
returning << "annotate(label, ...)";
} else if (i == 67) {
returning << "arguniq(list)";
} else if (i == 68) {
returning << "uniq(list [,list n])";
} else if (i == 71) {
returning << "curve(series, x|y|z|d|t)";
} else {
QString function;
function = DataFilterFunctions[i].name + "(";
for(int j=0; j<DataFilterFunctions[i].parameters; j++) {
if (j) function += ", ";
function += QString("p%1").arg(j+1);
}
if (DataFilterFunctions[i].parameters) function += ")";
else function += "...)";
returning << function;
}
}
return returning;
}
// LEXER VARIABLES WE INTERACT WITH
// Standard yacc/lex variables / functions
extern int DataFilterlex(); // the lexer aka yylex()
extern char *DataFiltertext; // set by the lexer aka yytext
extern void DataFilter_setString(QString);
extern void DataFilter_clearString();
// PARSER STATE VARIABLES
QStringList DataFiltererrors;
extern int DataFilterparse();
Leaf *DataFilterroot; // root node for parsed statement
static RideFile::SeriesType nameToSeries(QString name)
{
if (!name.compare("power", Qt::CaseInsensitive)) return RideFile::watts;
if (!name.compare("apower", Qt::CaseInsensitive)) return RideFile::aPower;
if (!name.compare("cadence", Qt::CaseInsensitive)) return RideFile::cad;
if (!name.compare("hr", Qt::CaseInsensitive)) return RideFile::hr;
if (!name.compare("speed", Qt::CaseInsensitive)) return RideFile::kph;
if (!name.compare("torque", Qt::CaseInsensitive)) return RideFile::nm;
if (!name.compare("IsoPower", Qt::CaseInsensitive)) return RideFile::IsoPower;
if (!name.compare("xPower", Qt::CaseInsensitive)) return RideFile::xPower;
if (!name.compare("VAM", Qt::CaseInsensitive)) return RideFile::vam;
if (!name.compare("wpk", Qt::CaseInsensitive)) return RideFile::wattsKg;
if (!name.compare("lrbalance", Qt::CaseInsensitive)) return RideFile::lrbalance;
return RideFile::none;
}
bool
Leaf::isDynamic(Leaf *leaf)
{
switch(leaf->type) {
default:
case Leaf::Symbol :
return leaf->dynamic;
case Leaf::UnaryOperation :
return leaf->isDynamic(leaf->lvalue.l);
case Leaf::Logical :
if (leaf->op == 0)
return leaf->isDynamic(leaf->lvalue.l);
// intentional fallthrough
case Leaf::Operation :
case Leaf::BinaryOperation :
return (leaf->isDynamic(leaf->lvalue.l) ||
leaf->isDynamic(leaf->rvalue.l));
case Leaf::Function :
if (leaf->series && leaf->lvalue.l)
return leaf->isDynamic(leaf->lvalue.l);
else
return leaf->dynamic;
case Leaf::Conditional :
return (leaf->isDynamic(leaf->cond.l) ||
leaf->isDynamic(leaf->lvalue.l) ||
(leaf->rvalue.l && leaf->isDynamic(leaf->rvalue.l)));
case Leaf::Script :
return true;
}
return false;
}
void
DataFilter::setSignature(QString &query)
{
sig = fingerprint(query);
}
QString
DataFilter::fingerprint(QString &query)
{
QString sig;
bool incomment=false;
bool instring=false;
for (int i=0; i<query.length(); i++) {
// get out of comments and strings at end of a line
if (query[i] == '\n') instring = incomment=false;
// get into comments
if (!instring && query[i] == '#') incomment=true;
// not in comment and not escaped
if (query[i] == '"' && !incomment && (((i && query[i-1] != '\\') || i==0))) instring = !instring;
// keep anything that isn't whitespace, or a comment
if (instring || (!incomment && !query[i].isSpace())) sig += query[i];
}
return sig;
}
void
DataFilter::colorSyntax(QTextDocument *document, int pos)
{
// matched bracket position
int bpos = -1;
// matched brace position
int cpos = -1;
// for looking for comments
QString string = document->toPlainText();
// clear formatting and color comments
QTextCharFormat normal;
normal.setFontWeight(QFont::Normal);
normal.setUnderlineStyle(QTextCharFormat::NoUnderline);
normal.setForeground(Qt::black);
QTextCharFormat cyanbg;
cyanbg.setBackground(Qt::cyan);
QTextCharFormat redbg;
redbg.setBackground(QColor(255,153,153));
QTextCharFormat function;
function.setUnderlineStyle(QTextCharFormat::NoUnderline);
function.setForeground(Qt::blue);
QTextCharFormat symbol;
symbol.setUnderlineStyle(QTextCharFormat::NoUnderline);
symbol.setForeground(Qt::red);
QTextCharFormat literal;
literal.setFontWeight(QFont::Normal);
literal.setUnderlineStyle(QTextCharFormat::NoUnderline);
literal.setForeground(Qt::magenta);
QTextCharFormat comment;
comment.setFontWeight(QFont::Normal);
comment.setUnderlineStyle(QTextCharFormat::NoUnderline);
comment.setForeground(Qt::darkGreen);
QTextCursor cursor(document);
// set all black
cursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(normal);
// color comments
bool instring=false;
bool innumber=false;
bool incomment=false;
bool insymbol=false;
int commentstart=0;
int stringstart=0;
int numberstart=0;
int symbolstart=0;
int brace=0;
int brack=0;
for(int i=0; i<string.length(); i++) {
// enter into symbol
if (!insymbol && !incomment && !instring && string[i].isLetter()) {
insymbol = true;
symbolstart = i;
// it starts with numbers but ends with letters - number becomes symbol
if (innumber) { symbolstart=numberstart; innumber=false; }
}
// end of symbol ?
if (insymbol && (!string[i].isLetterOrNumber() && string[i] != '_')) {
bool isfunction = false;
insymbol = false;
QString sym = string.mid(symbolstart, i-symbolstart);
bool found=false;
QString lookup = rt.lookupMap.value(sym, "");
if (lookup == "") {
// isRun isa special, we may add more later (e.g. date)
if (!sym.compare("Date", Qt::CaseInsensitive) ||
!sym.compare("banister", Qt::CaseInsensitive) ||
!sym.compare("best", Qt::CaseInsensitive) ||
!sym.compare("tiz", Qt::CaseInsensitive) ||
!sym.compare("const", Qt::CaseInsensitive) ||
!sym.compare("config", Qt::CaseInsensitive) ||
!sym.compare("ctl", Qt::CaseInsensitive) ||
!sym.compare("tsb", Qt::CaseInsensitive) ||
!sym.compare("atl", Qt::CaseInsensitive) ||
!sym.compare("daterange", Qt::CaseInsensitive) ||
!sym.compare("Today", Qt::CaseInsensitive) ||
!sym.compare("Current", Qt::CaseInsensitive) ||
!sym.compare("RECINTSECS", Qt::CaseInsensitive) ||
!sym.compare("NA", Qt::CaseInsensitive) ||
sym == "isSwim" || sym == "isRun") {
isfunction = found = true;
}
// ride sample symbol
if (rt.dataSeriesSymbols.contains(sym)) found = true;
// still not found ?
// is it a function then ?
for(int j=0; DataFilterFunctions[j].parameters != -1; j++) {
if (DataFilterFunctions[j].name == sym) {
isfunction = found = true;
break;
}
}
} else {
found = true;
}
if (found) {
// lets color it red, its a literal.
cursor.setPosition(symbolstart, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(isfunction ? function : symbol);
}
}
// numeric literal
if (!insymbol && string[i].isNumber()) {
// start of number ?
if (!incomment && !instring && !innumber) {
innumber = true;
numberstart = i;
}
} else if (!insymbol && !incomment && !instring &&innumber) {
// now out of number
innumber = false;
// lets color it red, its a literal.
cursor.setPosition(numberstart, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(literal);
}
// watch for being in a string, but remember escape!
if ((i==0 || string[i-1] != '\\') && string[i] == '"') {
if (!incomment && instring) {
instring = false;
// lets color it red, its a literal.
cursor.setPosition(stringstart, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(literal);
} else if (!incomment && !instring) {
stringstart=i;
instring=true;
}
}
// watch for being in a comment
if (string[i] == '#' && !instring && !incomment) {
incomment = true;
commentstart=i;
}
// end of text or line
if (i+1 == string.length() || (string[i] == '\r' || string[i] == '\n')) {
// mark if we have a comment
if (incomment) {
// we have a line of comments to here from commentstart
incomment = false;
// comments are blue
cursor.setPosition(commentstart, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(comment);
} else {
int start=0;
if (instring) start=stringstart;
if (innumber) start=numberstart;
// end of string ...
if (instring || innumber) {
innumber = instring = false; // always quit on end of line
// lets color it red, its a literal.
cursor.setPosition(start, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.setCharFormat(literal);
}
}
}
// are the brackets balanced ( ) ?
if (!instring && !incomment && string[i]=='(') {
brack++;
// match close/open if over cursor
if (i==pos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
// run forward looking for match
int bb=0;
for(int j=i; j<string.length(); j++) {
if (string[j]=='(') bb++;
if (string[j]==')') {
bb--;
if (bb == 0) {
bpos = j; // matched brack here, don't change color!
cursor.setPosition(j, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(j+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
break;
}
}
}
}
}
if (!instring && !incomment && string[i]==')') {
brack--;
if (i==pos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
// run backward looking for match
int bb=0;
for(int j=i; j>=0; j--) {
if (string[j]==')') bb++;
if (string[j]=='(') {
bb--;
if (bb == 0) {
bpos = j; // matched brack here, don't change color!
cursor.setPosition(j, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(j+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
break;
}
}
}
} else if (brack < 0 && i != bpos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(redbg);
}
}
// are the braces balanced ( ) ?
if (!instring && !incomment && string[i]=='{') {
brace++;
// match close/open if over cursor
if (i==pos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
// run forward looking for match
int bb=0;
for(int j=i; j<string.length(); j++) {
if (string[j]=='{') bb++;
if (string[j]=='}') {
bb--;
if (bb == 0) {
cpos = j; // matched brace here, don't change color!
cursor.setPosition(j, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(j+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
break;
}
}
}
}
}
if (!instring && !incomment && string[i]=='}') {
brace--;
if (i==pos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
// run backward looking for match
int bb=0;
for(int j=i; j>=0; j--) {
if (string[j]=='}') bb++;
if (string[j]=='{') {
bb--;
if (bb == 0) {
cpos = j; // matched brace here, don't change color!
cursor.setPosition(j, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(j+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(cyanbg);
break;
}
}
}
} else if (brace < 0 && i != cpos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(redbg);
}
}
}
// unbalanced braces - do same as above, backwards?
//XXX braces in comments fuck things up ... XXX
if (brace > 0) {
brace = 0;
for(int i=string.length(); i>=0; i--) {
if (string[i] == '}') brace++;
if (string[i] == '{') brace--;
if (brace < 0 && string[i] == '{' && i != pos-1 && i != cpos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(redbg);
}
}
}
if (brack > 0) {
brack = 0;
for(int i=string.length(); i>=0; i--) {
if (string[i] == ')') brace++;
if (string[i] == '(') brace--;
if (brack < 0 && string[i] == '(' && i != pos-1 && i != bpos-1) {
cursor.setPosition(i, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(i+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
cursor.mergeCharFormat(redbg);
}
}
}
// apply selective coloring to the symbols and expressions
if(treeRoot) treeRoot->color(treeRoot, document);
}
void Leaf::color(Leaf *leaf, QTextDocument *document)
{
// nope
if (leaf == NULL) return;
QTextCharFormat apply;
switch(leaf->type) {
case Leaf::Float :
case Leaf::Integer :
case Leaf::String :
break;
case Leaf::Symbol :
break;
case Leaf::Logical :
leaf->color(leaf->lvalue.l, document);
if (leaf->op) leaf->color(leaf->rvalue.l, document);
return;
break;
case Leaf::Operation :
leaf->color(leaf->lvalue.l, document);
leaf->color(leaf->rvalue.l, document);
return;
break;
case Leaf::UnaryOperation :
leaf->color(leaf->lvalue.l, document);
return;
break;
case Leaf::BinaryOperation :
leaf->color(leaf->lvalue.l, document);
leaf->color(leaf->rvalue.l, document);
return;
break;
case Leaf::Function :
if (leaf->series) {
if (leaf->lvalue.l) leaf->color(leaf->lvalue.l, document);
return;
} else {
foreach(Leaf*l, leaf->fparms) leaf->color(l, document);
}
break;
case Leaf::Conditional :
{
leaf->color(leaf->cond.l, document);
leaf->color(leaf->lvalue.l, document);
if (leaf->rvalue.l) leaf->color(leaf->rvalue.l, document);
return;
}
break;
case Leaf::Compound :
{
foreach(Leaf *statement, *(leaf->lvalue.b)) leaf->color(statement, document);
// don't return in case the whole thing is a mess...
}
break;
default:
return;
break;
}
// all we do now is highlight if in error.
if (leaf->inerror == true) {
QTextCursor cursor(document);
// highlight this token and apply
cursor.setPosition(leaf->loc, QTextCursor::MoveAnchor);
cursor.selectionStart();
cursor.setPosition(leaf->leng+1, QTextCursor::KeepAnchor);
cursor.selectionEnd();
apply.setUnderlineStyle(QTextCharFormat::WaveUnderline);
apply.setUnderlineColor(Qt::red);
cursor.mergeCharFormat(apply);
}
}
// convert expression to string, without white space
// this can be used as a signature when caching values etc
QString
Leaf::toString()
{
switch(type) {
case Leaf::Script : return *lvalue.s;
case Leaf::Float : return QString("%1").arg(lvalue.f); break;
case Leaf::Integer : return QString("%1").arg(lvalue.i); break;
case Leaf::String : return *lvalue.s; break;
case Leaf::Symbol : return *lvalue.n; break;
case Leaf::Logical :
case Leaf::Operation :
case Leaf::BinaryOperation :
return QString("%1%2%3")
.arg(lvalue.l->toString())
.arg(op)
.arg(op ? rvalue.l->toString() : "");
break;
case Leaf::UnaryOperation :
return QString("-%1").arg(lvalue.l->toString());
break;
case Leaf::Function :
if (series) {
if (lvalue.l) {
return QString("%1(%2,%3)")
.arg(function)
.arg(*(series->lvalue.n))
.arg(lvalue.l->toString());
} else {
return QString("%1(%2)")
.arg(function)
.arg(*(series->lvalue.n));
}
} else {