29 lines
1.8 KiB
Markdown
29 lines
1.8 KiB
Markdown
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---
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source_files:
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- DataPRO/InstallShieldBranch/Brancher.cs
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- DataPRO/InstallShieldBranch/BrancherForm.Designer.cs
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- DataPRO/InstallShieldBranch/BrancherForm.cs
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generated_at: "2026-04-17T16:11:52.545850+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "5517450301a3034c"
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---
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# InstallShieldBranch
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### 1. Purpose
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This module is a utility application designed to perform binary search-and-replace operations on InstallShield project files (`.ise`). It exists to automate the patching of version identifiers or internal codes within proprietary binary file formats, likely to facilitate branching or versioning of installer configurations.
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### 2. Public Interface
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**Class: `Brancher`** (static, in `Brancher.cs`)
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* `static void Main(string[] args)`: Application entry point. Initializes visual styles and launches `BrancherForm`.
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**Class: `BrancherForm`** (in `BrancherForm.cs`)
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* `public BrancherForm()`: Constructor initializing a `BackgroundWorker` configured to report progress and support cancellation.
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* `public static class BinaryUtility`: A nested utility class for stream manipulation.
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* `public static IEnumerable<byte> GetByteStream(BinaryReader reader)`: Lazily reads bytes from a `BinaryReader` in 1024-byte chunks.
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* `public static void Replace(BinaryReader reader, BinaryWriter writer, IEnumerable<Tuple<byte[], byte[]>> searchAndReplace)`: Reads a stream, performs replacements, and writes to the output stream.
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* `public static IEnumerable<byte> Replace(IEnumerable<byte> source, IEnumerable<Tuple<byte[], byte[]>> searchAndReplace)`: Applies multiple search/replace patterns to a byte stream.
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* `public static IEnumerable<byte> Replace(IEnumerable<byte> input, IEnumerable<byte> from, IEnumerable<byte> to)`: Core logic that replaces occurrences of a specific byte sequence (`from`) with another (`to`).
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###
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