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1d2cf2771a
By the way, this is extremely inefficient. We have e.g. this code in Buffer.cpp: string target = func.getArg(0); string target_name = func.getArg(1); string command = func.getArg(2); As a result, we parse the argument string three times! It seems to me that we should either (a) expose a "getArgs" routine that returns a vector<string> and let the caller extract them by position: vector<string> args = func.getArgs(); string target = args[0]; etc; or (b) cache the vector<string> in the FuncRequest object itself. The latter wouldn't in fact require much memory, because these objects are generally short-lived. Opinions? git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32771 a592a061-630c-0410-9148-cb99ea01b6c8
149 lines
3.1 KiB
C++
149 lines
3.1 KiB
C++
/**
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* \file FuncRequest.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "FuncRequest.h"
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#include "LyXAction.h"
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#include "support/lstrings.h"
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#include <climits>
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#include <iostream>
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#include <sstream>
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#include <vector>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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FuncRequest const FuncRequest::unknown(LFUN_UNKNOWN_ACTION);
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FuncRequest const FuncRequest::noaction(LFUN_NOACTION);
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FuncRequest::FuncRequest(Origin o)
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: action(LFUN_NOACTION), origin(o), x(0), y(0),
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button_(mouse_button::none)
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{}
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FuncRequest::FuncRequest(FuncCode act, Origin o)
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: action(act), origin(o), x(0), y(0), button_(mouse_button::none)
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{}
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FuncRequest::FuncRequest(FuncCode act, docstring const & arg, Origin o)
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: action(act), argument_(arg), origin(o), x(0), y(0),
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button_(mouse_button::none)
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{}
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FuncRequest::FuncRequest(FuncCode act, string const & arg, Origin o)
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: action(act), argument_(from_utf8(arg)), origin(o), x(0), y(0),
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button_(mouse_button::none)
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{}
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FuncRequest::FuncRequest(FuncCode act, int ax, int ay,
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mouse_button::state but, Origin o)
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: action(act), origin(o), x(ax), y(ay), button_(but)
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{}
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FuncRequest::FuncRequest(FuncRequest const & cmd, docstring const & arg, Origin o)
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: action(cmd.action), argument_(arg), origin(o),
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x(cmd.x), y(cmd.y), button_(cmd.button_)
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{}
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FuncRequest::FuncRequest(FuncRequest const & cmd, string const & arg, Origin o)
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: action(cmd.action), argument_(from_utf8(arg)), origin(o),
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x(cmd.x), y(cmd.y), button_(cmd.button_)
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{}
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mouse_button::state FuncRequest::button() const
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{
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return button_;
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}
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namespace {
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// Extracts arguments from str into args. Arguments are delimted by
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// whitespace or by double quotes.
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// We extract at most max + 1 arguments, treating args[max] as
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// continuing to eol.
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void splitArg(vector<string> & args, string const & str,
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unsigned int max = UINT_MAX)
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{
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istringstream is(str);
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while (is) {
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if (args.size() == max) {
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string s;
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getline(is, s);
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args.push_back(trim(s));
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return;
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}
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char c;
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string s;
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is >> c;
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if (is) {
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if (c == '"')
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// get quote delimited argument
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getline(is, s, '"');
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else {
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// get whitespace delimited argument
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is.putback(c);
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is >> s;
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}
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args.push_back(s);
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}
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}
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}
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}
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string FuncRequest::getArg(unsigned int i) const
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{
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vector<string> args;
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splitArg(args, to_utf8(argument_));
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return i < args.size() ? args[i] : string();
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}
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string FuncRequest::getLongArg(unsigned int i) const
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{
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vector<string> args;
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splitArg(args, to_utf8(argument_), i);
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return i < args.size() ? args[i] : string();
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}
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bool operator==(FuncRequest const & lhs, FuncRequest const & rhs)
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{
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return lhs.action == rhs.action && lhs.argument() == rhs.argument();
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}
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ostream & operator<<(ostream & os, FuncRequest const & cmd)
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{
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return os
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<< " action: " << cmd.action
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<< " [" << lyxaction.getActionName(cmd.action) << "] "
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<< " arg: '" << to_utf8(cmd.argument()) << "'"
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<< " x: " << cmd.x
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<< " y: " << cmd.y;
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}
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} // namespace lyx
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