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feature: pdf field locations cached

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This commit is contained in:
Gary Sharp
2022-11-03 16:56:12 +11:00
parent e463a7361e
commit 96cccab958
9 changed files with 121 additions and 29 deletions
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Disco.Services/Expressions/Expression.cs
+38 -13
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@@ -8,6 +8,7 @@ using Spring.Expressions;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
@@ -15,16 +16,24 @@ namespace Disco.Services.Expressions
{
public sealed class Expression : List<IExpressionPart>
{
public string Name { get; private set; }
public string Source { get; private set; }
public string Name { get; }
public string Source { get; }
public bool IsDynamic { get; private set; }
public int Ordinal { get; private set; }
public int Ordinal { get; }
private Expression(string Name, string Source, int Ordinal)
public bool IsRequired { get; }
public bool IsReadOnly { get; }
public RectangleF? Position { get; }
private Expression(string name, string source, int ordinal, bool isRequired, bool isReadOnly, RectangleF? position)
{
this.Name = Name;
this.Source = Source;
this.Ordinal = Ordinal;
Name = name;
Source = source;
Ordinal = ordinal;
IsRequired = isRequired;
IsReadOnly = isReadOnly;
Position = position;
}
public static void InitializeExpressions()
@@ -71,6 +80,19 @@ namespace Disco.Services.Expressions
public Tuple<string, bool, object> Evaluate(object ExpressionContext, IDictionary Variables)
{
if (Count == 0)
return new Tuple<string, bool, object>(string.Empty, false, null);
if (!IsDynamic)
{
if (Count != 1)
throw new InvalidOperationException("Non-dynamic expressions should only have one part");
if (this[0] is TextExpressionPart textPart)
return new Tuple<string, bool, object>(textPart.RawSource, false, null);
else
throw new InvalidOperationException("Non-dynamic expressions should have a single TextExpressionPart component");
}
var resultValue = new StringBuilder();
object resultObject = null;
bool resultError = false;
@@ -103,25 +125,28 @@ namespace Disco.Services.Expressions
}
public static Expression TokenizeSingleDynamic(string Name, string ExpressionSource, int Ordinal)
{
var e = new Expression(Name, ExpressionSource, Ordinal);
var e = new Expression(Name, ExpressionSource, Ordinal, isRequired: false, isReadOnly: false, position: null);
if (ExpressionSource != null && !string.IsNullOrWhiteSpace(ExpressionSource))
e.Add(new EvaluateExpressionPart(ExpressionSource));
e.IsDynamic = true;
return e;
}
public static Expression Tokenize(string Name, string ExpressionSource, int Ordinal)
public static Expression Tokenize(string Name, string ExpressionSource, int Ordinal, bool IsRequired, bool IsReadOnly)
=> Tokenize(Name, ExpressionSource, Ordinal, IsRequired, IsReadOnly, null);
public static Expression Tokenize(string name, string expressionSource, int ordinal, bool isRequired, bool isReadOnly, RectangleF? position)
{
var e = new Expression(Name, ExpressionSource, Ordinal);
if (!ExpressionSource.Contains("{") || !ExpressionSource.Contains("}"))
var e = new Expression(name, expressionSource, ordinal, isRequired, isReadOnly, position);
if (!expressionSource.Contains("{") || !expressionSource.Contains("}"))
{
e.Add(new TextExpressionPart(ExpressionSource));
e.Add(new TextExpressionPart(expressionSource));
}
else
{
var token = new StringBuilder();
bool tokenEval = false;
int tokenEvalDepth = 0;
foreach (char c in ExpressionSource)
foreach (char c in expressionSource)
{
switch (c)
{