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added a simple text highlighter to edit txt, imported files, markdown sources, etc.

This commit is contained in:
Basile Burg 2014-11-12 11:24:07 +01:00
parent 339383fea6
commit 46aba7c0e4
3 changed files with 248 additions and 10 deletions
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15
lazproj/coedit.lpi
View File

@ -135,7 +135,7 @@
<PackageName Value="LCL"/>
</Item6>
</RequiredPackages>
<Units Count="29">
<Units Count="30">
<Unit0>
<Filename Value="coedit.lpr"/>
<IsPartOfProject Value="True"/>
@ -307,19 +307,24 @@
<ResourceBaseClass Value="Form"/>
<UnitName Value="ce_toolseditor"/>
</Unit26>
<Unit27>
<Unit27>
<Filename Value="..\src\ce_txtsyn.pas"/>
<IsPartOfProject Value="True"/>
<UnitName Value="ce_txtsyn"/>
</Unit27>
<Unit28>
<Filename Value="..\src\ce_widget.pas"/>
<IsPartOfProject Value="True"/>
<ComponentName Value="CEWidget"/>
<HasResources Value="True"/>
<ResourceBaseClass Value="Form"/>
<UnitName Value="ce_widget"/>
</Unit27>
<Unit28>
</Unit28>
<Unit29>
<Filename Value="..\src\ce_writablecomponent.pas"/>
<IsPartOfProject Value="True"/>
<UnitName Value="ce_writableComponent"/>
</Unit28>
</Unit29>
</Units>
</ProjectOptions>
<CompilerOptions>

26
src/ce_synmemo.pas
View File

@ -5,8 +5,8 @@ unit ce_synmemo;
interface
uses
Classes, SysUtils, SynEdit, SynMemo, ce_d2syn, SynEditHighlighter, controls,
lcltype, LazSynEditText, SynEditKeyCmds, SynHighlighterLFM, SynEditMouseCmds,
Classes, SysUtils, SynEdit, SynMemo, ce_d2syn, ce_txtsyn ,SynEditHighlighter,
controls, lcltype, LazSynEditText, SynEditKeyCmds, SynHighlighterLFM, SynEditMouseCmds,
ce_common, ce_observer;
type
@ -16,6 +16,7 @@ type
fModified: boolean;
fFileDate: double;
fIsDSource: boolean;
fIsTxtFile: boolean;
fIsConfig: boolean;
fIdentifier: string;
fTempFileName: string;
@ -53,6 +54,7 @@ type
var
D2Syn: TSynD2Syn;
LfmSyn: TSynLfmSyn;
TxtSyn: TSynTxtSyn;
implementation
@ -133,12 +135,16 @@ begin
inherited;
fIsDSource := Highlighter = D2Syn;
fIsConfig := Highlighter = LfmSyn;
fIsTxtFile := Highlighter = TxtSyn;
end;
procedure TCESynMemo.identifierToD2Syn;
begin
fIdentifier := GetWordAtRowCol(LogicalCaretXY);
if fIsDSource then D2Syn.CurrentIdentifier := fIdentifier;
if fIsDSource then
D2Syn.CurrentIdentifier := fIdentifier
else if fIsTxtFile then
TxtSyn.CurrIdent := fIdentifier;
end;
procedure TCESynMemo.changeNotify(Sender: TObject);
@ -154,7 +160,7 @@ var
begin
ext := extractFileExt(aFilename);
if dExtList.IndexOf(ext) = -1 then
Highlighter := nil;
Highlighter := TxtSyn;
Lines.LoadFromFile(aFilename);
fFilename := aFilename;
FileAge(fFilename, fFileDate);
@ -163,9 +169,16 @@ begin
end;
procedure TCESynMemo.saveToFile(const aFilename: string);
var
ext: string;
begin
Lines.SaveToFile(aFilename);
fFilename := aFilename;
ext := extractFileExt(aFilename);
if dExtList.IndexOf(ext) = -1 then
Highlighter := TxtSyn
else
Highlighter := D2Syn;
FileAge(fFilename, fFileDate);
fModified := false;
if fFilename <> fTempFileName then
@ -235,11 +248,14 @@ end;
initialization
D2Syn := TSynD2Syn.create(nil);
LfmSyn := TSynLFMSyn.Create(nil);
TxtSyn := TSynTxtSyn.create(nil);
//
LfmSyn.KeyAttri.Foreground := clNavy;
LfmSyn.KeyAttri.Style := [fsBold];
LfmSyn.NumberAttri.Foreground := clMaroon;
LfmSyn.StringAttri.Foreground := clBlue;
finalization
D2Syn.free;
D2Syn.Free;
LfmSyn.Free;
TxtSyn.Free;
end.

217
src/ce_txtsyn.pas Normal file
View File

@ -0,0 +1,217 @@
unit ce_txtsyn;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, SynEditHighlighter, SynEditTypes, ce_dlangutils;
type
TTokenKind = (tkSym, tkTxt, tkWhi);
TSynTxtSyn = class(TSynCustomHighlighter)
private
fSymAttribs: TSynHighlighterAttributes;
fTxtAttribs: TSynHighlighterAttributes;
fWhiAttribs: TSynHighlighterAttributes;
fTokToAttri: array[TTokenKind] of TSynHighlighterAttributes;
fToken: TTokenKind;
fTokStart, fTokStop: Integer;
fLineBuf: string;
fCurrIdent: string;
procedure setSymAttribs(aValue: TSynHighlighterAttributes);
procedure setTxtAttribs(aValue: TSynHighlighterAttributes);
procedure setWhiAttribs(aValue: TSynHighlighterAttributes);
procedure setCurrIdent(const aValue: string);
published
property symbAttributes: TSynHighlighterAttributes read fSymAttribs write setSymAttribs;
property textAttributes: TSynHighlighterAttributes read fTxtAttribs write setTxtAttribs;
property whitAttributes: TSynHighlighterAttributes read fWhiAttribs write setWhiAttribs;
public
constructor create(aOwner: TComponent); override;
//
procedure setLine(const NewValue: String; LineNumber: Integer); override;
procedure next; override;
procedure GetTokenEx(out TokenStart: PChar; out TokenLength: integer); override;
function GetTokenAttribute: TSynHighlighterAttributes; override;
function GetDefaultAttribute(Index: integer): TSynHighlighterAttributes; override;
function GetToken: string; override;
function GetTokenKind: integer; override;
function GetTokenPos: Integer; override;
function GetEol: Boolean; override;
//
property CurrIdent: string read fCurrIdent write setCurrIdent;
end;
const txtSym : TCharSet = [
'&', '~', '#', '"', #39, '(', '-', ')', '=',
'{', '[', '|', '`', '\', '^', '@', ']', '}',
'+', '$', '*', '%',
'<', '>', ',', '?', ';', '.', ':', '/', '!'];
implementation
uses
Graphics;
constructor TSynTxtSyn.create(aOwner: TComponent);
begin
inherited;
//
fSymAttribs := TSynHighlighterAttributes.Create('Symbols', 'Symbols');
fTxtAttribs := TSynHighlighterAttributes.Create('Text', 'Text');
fWhiAttribs := TSynHighlighterAttributes.Create('White', 'White');
//
fSymAttribs.Foreground := clBlack;
fSymAttribs.Style := [fsBold];
fTxtAttribs.Foreground := clNavy;
fWhiAttribs.Foreground := clNone;
//
AddAttribute(fSymAttribs);
AddAttribute(fTxtAttribs);
AddAttribute(fWhiAttribs);
//
fTokToAttri[tkSym] := fSymAttribs;
fTokToAttri[tkTxt] := fTxtAttribs;
fTokToAttri[tkWhi] := fWhiAttribs;
//
fTokStop := 1;
Next;
end;
procedure TSynTxtSyn.setSymAttribs(aValue: TSynHighlighterAttributes);
begin
fSymAttribs.Assign(aValue);
end;
procedure TSynTxtSyn.setTxtAttribs(aValue: TSynHighlighterAttributes);
begin
fTxtAttribs.Assign(aValue);
end;
procedure TSynTxtSyn.setWhiAttribs(aValue: TSynHighlighterAttributes);
begin
fWhiAttribs.Assign(aValue);
end;
procedure TSynTxtSyn.setCurrIdent(const aValue: string);
begin
if aValue = '' then exit;
if fCurrIdent = aValue then Exit;
fCurrIdent := aValue;
BeginUpdate;
fUpdateChange := true;
EndUpdate;
end;
procedure TSynTxtSyn.setLine(const NewValue: String; LineNumber: Integer);
begin
inherited;
fLineBuf := NewValue + #10;
fTokStop := 1;
next;
end;
procedure TSynTxtSyn.next;
begin
fTokStart := fTokStop;
fTokStop := fTokStart;
// EOL
if fTokStop > length(fLineBuf) then exit;
// spaces
if (isWhite(fLineBuf[fTokStop])) then
begin
fToken := tkWhi;
while isWhite(fLineBuf[fTokStop]) do
begin
Inc(fTokStop);
if fTokStop > length(fLineBuf) then exit;
end;
exit;
end;
// symbs
if (fLineBuf[fTokStop] in txtSym) then
begin
fToken := tkSym;
while(fLineBuf[fTokStop] in txtSym) do
begin
Inc(fTokStop);
if fLineBuf[fTokStop] = #10 then exit;
end;
exit;
end;
// text
fToken := tkTxt;
while not (isSymbol(fLineBuf[fTokStop]) or isWhite(fLineBuf[fTokStop])) do
begin
Inc(fTokStop);
if fLineBuf[fTokStop] = #10 then exit;
end;
if fLineBuf[fTokStop] = #10 then exit;
end;
function TSynTxtSyn.GetEol: Boolean;
begin
result := fTokStop > length(fLineBuf);
end;
function TSynTxtSyn.GetTokenAttribute: TSynHighlighterAttributes;
begin
result := fTokToAttri[fToken];
result.FrameEdges := sfeNone;
if fCurrIdent <> '' then
if GetToken = fCurrIdent then begin
result.FrameColor := result.Foreground;
result.FrameStyle := slsSolid;
result.FrameEdges := sfeAround;
end;
end;
function TSynTxtSyn.GetTokenPos: Integer;
begin
result := fTokStart - 1;
end;
function TSynTxtSyn.GetToken: string;
begin
result := copy(fLineBuf, FTokStart, fTokStop - FTokStart);
end;
procedure TSynTxtSyn.GetTokenEx(out TokenStart: PChar; out TokenLength: integer);
begin
TokenStart := @fLineBuf[FTokStart];
TokenLength := fTokStop - FTokStart;
end;
function TSynTxtSyn.GetTokenKind: integer;
var
a: TSynHighlighterAttributes;
begin
Result := SYN_ATTR_IDENTIFIER;
a := GetTokenAttribute;
if a = fTxtAttribs then Result := SYN_ATTR_IDENTIFIER else
if a = fWhiAttribs then Result := SYN_ATTR_WHITESPACE else
if a = fSymAttribs then Result := SYN_ATTR_SYMBOL;
end;
function TSynTxtSyn.GetDefaultAttribute(Index: integer): TSynHighlighterAttributes;
begin
case Index of
SYN_ATTR_COMMENT: Result := fTxtAttribs;
SYN_ATTR_IDENTIFIER: Result := fTxtAttribs;
SYN_ATTR_KEYWORD: Result := fTxtAttribs;
SYN_ATTR_STRING: Result := fTxtAttribs;
SYN_ATTR_WHITESPACE: Result := fWhiAttribs;
SYN_ATTR_SYMBOL: Result := fSymAttribs;
else Result := fTxtAttribs;
end;
end;
end.