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Add Pdfium installer and integrate it into the build process

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This commit is contained in:
Thorsten Sommer 2025-05-02 19:12:50 +02:00
parent cd4fafed1f
commit 2bfaf1f3f5
Signed by: tsommer
GPG Key ID: 371BBA77A02C0108
3 changed files with 127 additions and 2 deletions
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3
app/Build/Commands/Library.cs Normal file
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@ -0,0 +1,3 @@
namespace Build.Commands;
public record Library(string Path, string Filename);

107
app/Build/Commands/Pdfium.cs Normal file
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@ -0,0 +1,107 @@
using System.Formats.Tar;
using System.IO.Compression;
using SharedTools;
namespace Build.Commands;
public static class Pdfium
{
public static async Task InstallAsync(RID rid, string version)
{
Console.Write($"- Installing Pdfium {version} for {rid.ToUserFriendlyName()} ...");
var cwd = Environment.GetRustRuntimeDirectory();
var pdfiumTmpDownloadPath = Path.GetTempFileName();
var pdfiumTmpExtractPath = Directory.CreateTempSubdirectory();
var pdfiumUrl = GetPdfiumDownloadUrl(rid, version);
//
// Download the file:
//
Console.Write(" downloading ...");
using (var client = new HttpClient())
{
var response = await client.GetAsync(pdfiumUrl);
if (!response.IsSuccessStatusCode)
{
Console.WriteLine($" failed to download Pdfium {version} for {rid.ToUserFriendlyName()}");
return;
}
await using var fileStream = File.Create(pdfiumTmpDownloadPath);
await response.Content.CopyToAsync(fileStream);
}
//
// Extract the downloaded file:
//
Console.Write(" extracting ...");
await using(var tgzStream = File.Open(pdfiumTmpDownloadPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
await using var uncompressedStream = new GZipStream(tgzStream, CompressionMode.Decompress);
await TarFile.ExtractToDirectoryAsync(uncompressedStream, pdfiumTmpExtractPath.FullName, true);
}
//
// Copy the library to the target directory:
//
Console.Write(" deploying ...");
var library = GetLibraryPath(rid);
if (string.IsNullOrEmpty(library.Path))
{
Console.WriteLine($" failed to find the library path for {rid.ToUserFriendlyName()}");
return;
}
var pdfiumLibSourcePath = Path.Join(pdfiumTmpExtractPath.FullName, library.Path);
var pdfiumLibTargetPath = Path.Join(cwd, "target", "resources", library.Filename);
if (!File.Exists(pdfiumLibSourcePath))
{
Console.WriteLine($" failed to find the library file '{pdfiumLibSourcePath}'");
return;
}
Directory.CreateDirectory(Path.Join(cwd, "target", "resources"));
if (File.Exists(pdfiumLibTargetPath))
File.Delete(pdfiumLibTargetPath);
File.Copy(pdfiumLibSourcePath, pdfiumLibTargetPath);
//
// Cleanup:
//
Console.Write(" cleaning up ...");
File.Delete(pdfiumTmpDownloadPath);
Directory.Delete(pdfiumTmpExtractPath.FullName, true);
Console.WriteLine(" done.");
}
private static Library GetLibraryPath(RID rid) => rid switch
{
RID.LINUX_ARM64 or RID.LINUX_X64 => new(Path.Join("lib", "libpdfium.so"), "libpdfium.so"),
RID.OSX_ARM64 or RID.OSX_X64 => new(Path.Join("lib", "libpdfium.dylib"), "libpdfium.dylib"),
RID.WIN_ARM64 or RID.WIN_X64 => new(Path.Join("bin", "pdfium.dll"), "pdfium.dll"),
_ => new(string.Empty, string.Empty),
};
private static string GetPdfiumDownloadUrl(RID rid, string version)
{
var baseUrl = $"https://github.com/bblanchon/pdfium-binaries/releases/download/chromium%2F{version}/pdfium-";
return rid switch
{
RID.LINUX_ARM64 => $"{baseUrl}linux-arm64.tgz",
RID.LINUX_X64 => $"{baseUrl}linux-x64.tgz",
RID.OSX_ARM64 => $"{baseUrl}mac-arm64.tgz",
RID.OSX_X64 => $"{baseUrl}mac-x64.tgz",
RID.WIN_ARM64 => $"{baseUrl}win-arm64.zip",
RID.WIN_X64 => $"{baseUrl}win-x64.zip",
_ => string.Empty,
};
}
}

19
app/Build/Commands/UpdateMetadataCommands.cs
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@ -110,7 +110,10 @@ public sealed partial class UpdateMetadataCommands
Console.WriteLine("==============================");
await this.UpdateArchitecture(rid);
Console.Write($"- Start .NET build for '{rid.AsMicrosoftRid()}' ...");
var pdfiumVersion = await this.ReadPdfiumVersion();
await Pdfium.InstallAsync(rid, pdfiumVersion);
Console.Write($"- Start .NET build for {rid.ToUserFriendlyName()} ...");
await this.ReadCommandOutput(pathApp, "dotnet", $"clean --configuration release --runtime {rid.AsMicrosoftRid()}");
var dotnetBuildOutput = await this.ReadCommandOutput(pathApp, "dotnet", $"publish --configuration release --runtime {rid.AsMicrosoftRid()} --disable-build-servers --force");
var dotnetBuildOutputLines = dotnetBuildOutput.Split([global::System.Environment.NewLine], StringSplitOptions.RemoveEmptyEntries);
@ -308,6 +311,18 @@ public sealed partial class UpdateMetadataCommands
await File.WriteAllTextAsync(changelogCodePath, changelogCode, Environment.UTF8_NO_BOM);
Console.WriteLine(" done.");
}
private async Task<string> ReadPdfiumVersion()
{
const int PDFIUM_VERSION_INDEX = 10;
var pathMetadata = Environment.GetMetadataPath();
var lines = await File.ReadAllLinesAsync(pathMetadata, Encoding.UTF8);
var currentPdfiumVersion = lines[PDFIUM_VERSION_INDEX].Trim();
var shortVersion = currentPdfiumVersion.Split('.')[2];
return shortVersion;
}
private async Task UpdateArchitecture(RID rid)
{
@ -315,7 +330,7 @@ public sealed partial class UpdateMetadataCommands
var pathMetadata = Environment.GetMetadataPath();
var lines = await File.ReadAllLinesAsync(pathMetadata, Encoding.UTF8);
Console.Write("- Updating architecture ...");
Console.Write($"- Updating architecture to {rid.ToUserFriendlyName()} ...");
lines[ARCHITECTURE_INDEX] = rid.AsMicrosoftRid();
await File.WriteAllLinesAsync(pathMetadata, lines, Environment.UTF8_NO_BOM);