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pas2js
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* Small fixes and demo for TStrings.LoadFromURL

michael 5 years ago
parent
4be82217cd
commit
a0a0016f99
5 changed files with 172 additions and 20 deletions
Unified View Show Diff Stats
  1. 1 1
      demo/rtl/demoloadstreamfromurl.html
  2. 11 19
      demo/rtl/demoloadstreamfromurl.lpr
  3. 19 0
      demo/rtl/demoloadstringsfromurl.html
  4. 88 0
      demo/rtl/demoloadstringsfromurl.lpi
  5. 53 0
      demo/rtl/demoloadstringsfromurl.lpr

+ 1 - 1
demo/rtl/demoloadstreamfromurl.html
View File 

@@ -3,7 +3,7 @@
 
 <head>
 
 <head>
 
   <meta http-equiv="Content-type" content="text/html; charset=utf-8">
 
   <meta http-equiv="Content-type" content="text/html; charset=utf-8">
 
   <meta name="viewport" content="width=device-width, initial-scale=1">
 
   <meta name="viewport" content="width=device-width, initial-scale=1">
 
-  <title>scratch</title>
 
+  <title>Load stream from URL demo</title>
 
   <script src="demoloadstreamfromurl.js"></script>
 
   <script src="demoloadstreamfromurl.js"></script>
 
 </head>
 
 </head>
 
 <body>
 
 <body>

+ 11 - 19
demo/rtl/demoloadstreamfromurl.lpr
View File 

@@ -6,7 +6,7 @@ uses
 
   browserconsole, Classes;
 
   browserconsole, Classes;
 
 
 
 Var
 
 Var
 
-  SS : TStringStream;
 
+  SS,SS2,SS3 : TStringStream;
 
 
 
 begin
 
 begin
 
   Writeln('Loading synchronously');
 
   Writeln('Loading synchronously');
 
@@ -18,30 +18,22 @@ begin
 
     SS.Free;
 
     SS.Free;
 
   end;
 
   end;
 
   Writeln('Loading asynchronously');
 
   Writeln('Loading asynchronously');
 
-  SS:=TStringStream.Create('');
 
-  try
 
-    SS.LoadFromURL('bytes.txt',False,procedure(Sender: tobject)
 
+  SS2:=TStringStream.Create('');
 
+  SS2.LoadFromURL('bytes.txt',True,procedure(Sender: tobject)
 
     begin
 
     begin
 
-    Writeln('Loaded 2: ',SS.DataString);
 
+      Writeln('Loaded 2: ',SS2.DataString);
 
     end
 
     end
 
-    )
 
-  finally
 
-    SS.Free;
 
-  end;
 
+    );
 
   Writeln('Loading non-existing file');
 
   Writeln('Loading non-existing file');
 
-  SS:=TStringStream.Create('');
 
-  try
 
-    SS.LoadFromURL('bytesnonexist.txt',False,procedure(Sender: tobject)
 
+  SS3:=TStringStream.Create('');
 
+  SS3.LoadFromURL('bytesnonexist.txt',True,procedure(Sender: tobject)
 
     begin
 
     begin
 
-    Writeln('Loaded 3: ',SS.DataString);
 
+      Writeln('Loaded 3: ',SS3.DataString);
 
     end
 
     end
 
-    ,
 
+  ,
 
     procedure(Sender: tobject; Const aError : string)
 
     procedure(Sender: tobject; Const aError : string)
 
     begin
 
     begin
 
-    Writeln('Load error: ',aError);
 
+      Writeln('Load error: ',aError);
 
     end
 
     end
 
-    )
 
-  finally
 
-    SS.Free;
 
-  end;
 
+  );
 
 end.
 
 end.

+ 19 - 0
demo/rtl/demoloadstringsfromurl.html
View File 

@@ -0,0 +1,19 @@
 
+<!doctype html>
 
+<html lang="en">
 
+<head>
 
+  <meta http-equiv="Content-type" content="text/html; charset=utf-8">
 
+  <meta name="viewport" content="width=device-width, initial-scale=1">
 
+  <title>Demo load strings from URL</title>
 
+  <script src="demoloadstringsfromurl.js"></script>
 
+</head>
 
+<body>
 
+  <h1>Demo loading file from URL to TStringList</h1>
 
+  <div id="pasjsconsole">
 
+  </div>
 
+  <script>
 
+  rtl.run();
 
+
 
+  </script>
 
+  
+</body>
 
+</html>

+ 88 - 0
demo/rtl/demoloadstringsfromurl.lpi
View File 

@@ -0,0 +1,88 @@
 
+<?xml version="1.0" encoding="UTF-8"?>
 
+<CONFIG>
 
+  <ProjectOptions>
 
+    <Version Value="12"/>
 
+    <General>
 
+      <Flags>
 
+        <MainUnitHasCreateFormStatements Value="False"/>
 
+        <MainUnitHasTitleStatement Value="False"/>
 
+        <MainUnitHasScaledStatement Value="False"/>
 
+        <Runnable Value="False"/>
 
+      </Flags>
 
+      <SessionStorage Value="InProjectDir"/>
 
+      <Title Value="demoloadstringsfromurl"/>
 
+      <UseAppBundle Value="False"/>
 
+      <ResourceType Value="res"/>
 
+    </General>
 
+    <CustomData Count="2">
 
+      <Item0 Name="MaintainHTML" Value="1"/>
 
+      <Item1 Name="PasJSWebBrowserProject" Value="1"/>
 
+    </CustomData>
 
+    <BuildModes>
 
+      <Item Name="Default" Default="True"/>
 
+    </BuildModes>
 
+    <PublishOptions>
 
+      <Version Value="2"/>
 
+      <UseFileFilters Value="True"/>
 
+    </PublishOptions>
 
+    <RunParams>
 
+      <FormatVersion Value="2"/>
 
+    </RunParams>
 
+    <Units>
 
+      <Unit>
 
+        <Filename Value="demoloadstringsfromurl.lpr"/>
 
+        <IsPartOfProject Value="True"/>
 
+      </Unit>
 
+      <Unit>
 
+        <Filename Value="demoloadstringsfromurl.html"/>
 
+        <IsPartOfProject Value="True"/>
 
+        <CustomData Count="1">
 
+          <Item0 Name="PasJSIsProjectHTMLFile" Value="1"/>
 
+        </CustomData>
 
+      </Unit>
 
+    </Units>
 
+  </ProjectOptions>
 
+  <CompilerOptions>
 
+    <Version Value="11"/>
 
+    <Target FileExt=".js">
 
+      <Filename Value="demoloadstringsfromurl"/>
 
+    </Target>
 
+    <SearchPaths>
 
+      <IncludeFiles Value="$(ProjOutDir)"/>
 
+      <UnitOutputDirectory Value="js"/>
 
+    </SearchPaths>
 
+    <Parsing>
 
+      <SyntaxOptions>
 
+        <AllowLabel Value="False"/>
 
+        <CPPInline Value="False"/>
 
+        <UseAnsiStrings Value="False"/>
 
+      </SyntaxOptions>
 
+    </Parsing>
 
+    <CodeGeneration>
 
+      <TargetOS Value="browser"/>
 
+    </CodeGeneration>
 
+    <Linking>
 
+      <Debugging>
 
+        <GenerateDebugInfo Value="False"/>
 
+        <UseLineInfoUnit Value="False"/>
 
+      </Debugging>
 
+    </Linking>
 
+    <Other>
 
+      <CustomOptions Value="-Jeutf-8 -Jirtl.js -Jc -Jminclude"/>
 
+      <CompilerPath Value="$(pas2js)"/>
 
+    </Other>
 
+  </CompilerOptions>
 
+  <Debugging>
 
+    <Exceptions>
 
+      <Item>
 
+        <Name Value="EAbort"/>
 
+      </Item>
 
+      <Item>
 
+        <Name Value="ECodetoolError"/>
 
+      </Item>
 
+      <Item>
 
+        <Name Value="EFOpenError"/>
 
+      </Item>
 
+    </Exceptions>
 
+  </Debugging>
 
+</CONFIG>

+ 53 - 0
demo/rtl/demoloadstringsfromurl.lpr
View File 

@@ -0,0 +1,53 @@
 
+program demoloadstringsfromurl;
 
+
 
+{$mode objfpc}
 
+
 
+uses
 
+  browserconsole, Classes;
 
+
 
+Procedure DumpList(s : Tstrings);
 
+
 
+Var
 
+  I : Integer;
 
+
 
+begin
 
+  Writeln('----------');
 
+  For I:=0 to S.Count-1 do
 
+    Writeln('Line[',I,'] : ',S[I]);
 
+  Writeln('----------');
 
+end;
 
+
 
+Var
 
+  Lst,lst2,lst3 : TStrings;
 
+
 
+begin
 
+  Writeln('Loading synchronously');
 
+  Lst:=TStringList.Create;
 
+  try
 
+    Lst.LoadFromFile('bytes.txt');
 
+    DumpList(Lst);
 
+  finally
 
+    Lst.Free;
 
+  end;
 
+  Writeln('Loading asynchronously');
 
+  // We can't free the stringlist, because of the async nature
 
+  Lst2:=TStringList.Create;
 
+  Lst2.LoadFromURL('bytes.txt',True,procedure(Sender: tobject)
 
+    begin
 
+    DumpList(Lst2);
 
+    end
 
+  );
 
+  Writeln('Loading non-existing file');
 
+  // We can't free the stringlist, because of the async nature
 
+  Lst3:=TStringList.Create;
 
+  Lst3.LoadFromURL('bytesnonexist.txt',True,procedure(Sender: tobject)
 
+  begin
 
+    DumpList(Lst3);
 
+  end
 
+  ,
 
+  procedure(Sender: tobject; Const aError : string)
 
+  begin
 
+  Writeln('Load error: ',aError);
 
+  end
 
+  );
 
+end.