/// <summary>
/// Gets a relative path from this folder to another one.
/// This folder and the other one must belong to the same <see cref="TypeScriptCodeGenerationContext"/>
/// otherwise an <see cref="InvalidOperationException"/> is thrown.
/// </summary>
/// <param name="f">The folder to target.</param>
/// <returns>The relative path from this one to the other one.</returns>
public NormalizedPath GetRelativePathTo(TypeScriptFolder f)
{
var source = this;
NormalizedPath result = new NormalizedPath();
do
{
int below = source.FindBelow(f);
if (below >= 0)
{
if (below == 0)
{
return(result);
}
if (below == 1)
{
return(result.AppendPart(f.Name));
}
var path = new string[below];
var idx = path.Length;
do
{
path[--idx] = f.Name;
f = f.Parent !;
}while(idx > 0);
foreach (var p in path)
{
result = result.AppendPart(p);
}
return(result);
}
result = result.AppendPart("..");
}while((source = source.Parent !) != null);
throw new InvalidOperationException("TypeScriptFolder must belong to the same TypeScriptCodeGenerationContext.");
}
internal TypeScriptFolder(TypeScriptFolder parent, string name)
{
_g = parent._g;
Parent = parent;
Name = name;
_next = parent._firstChild;
parent._firstChild = this;
}
internal TypeScriptFile(TypeScriptFolder folder, string name)
{
Folder = folder;
Name = name;
_next = folder._firstFile;
folder._firstFile = this;
Imports = new FileImportCodePart(this);
Body = new FileBodyCodePart(this);
}
/// <summary>
/// Initializes a new <see cref="TypeScriptCodeGenerationContext"/>.
/// </summary>
/// <param name="outputPaths">Non empty set of output paths.</param>
/// <param name="pascalCase">Whether PascalCase identifiers should be generated instead of camelCase.</param>
public TypeScriptCodeGenerationContext(IEnumerable <NormalizedPath> outputPaths, bool pascalCase)
{
if (outputPaths == null || !outputPaths.Any())
{
throw new ArgumentException("Must not be null or empty.", nameof(outputPaths));
}
_paths = new HashSet <NormalizedPath>(outputPaths);
_pascalCase = pascalCase;
Root = new TypeScriptFolder(this);
}
/// <summary>
/// Finds a folder below this one by returning its depth.
/// This returns 0 when this is the same as <paramref name="other"/>
/// and -1 if other is not subordinated to this folder.
/// </summary>
/// <param name="other">The other folder to locate.</param>
/// <returns>The depth of the other folder below this one.</returns>
public int FindBelow(TypeScriptFolder other)
{
int depth = 0;
TypeScriptFolder?c = other;
while (c != this)
{
++depth;
c = c.Parent;
if (c == null)
{
return(-1);
}
}
return(depth);
}
