69 lines
2.1 KiB
Markdown
69 lines
2.1 KiB
Markdown
# zord-tree
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[](https://drone.arns.lt/zordsdavini/zord-tree)
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Library for golang to build articles tree from file system. The file should be in specific format to hold meta data, id and
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content. For now it supports markdown format.
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Process should go in two steps:
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* populate existing `source` directory with formatting files, add missing `id` and meta data
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* separate images and other data files to `__a` root directory
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* build `Tree` to operate on object for your app
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* read file content without meta data by path
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## File and tree format
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### Category
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During building `Tree` directory path is converted into array of categories. So, file in path `linux/command/video` will get
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categories: `linux`, `command`, `video`.
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### Split line
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File meta should be split by `---` line. If there is markdown formating to mark header, first such case (`---`) will be formatted
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to contain empty line. Example:
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```
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Text
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---
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```
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will become
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```
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Text
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---
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```
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### Meta data
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Meta data separated by lines and in format `* name: value`. By default library supports `tags` as comma separated array.
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During populating tree it adds missing `id` in `abcex` format and empty meta data lines and saves in `source` directory.
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Additionally it moves images and other not `.md` files to separate `__a` root directory and replace in content linked urls.
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There is possibility to add custom default value. That is passed with custom function what returns string.
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### File structure
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```
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* tags: linux,command,video
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* meta1: example
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* meta2: some long description
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---
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Hear goes content. It can be written in html, markdown or whatever what can be processed later
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```
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## Usage
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There are two main commands: `PopulateTree` to prepare source (format, add metadata and add Id) and separate images and other data files and `BuildTree` to get object of tree.
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`Tree` object has methods: `FileById` to get `File` by Id, `Slice` to get sub-tree of given path and `Filter` to filter tree by filter.
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Filter contains array of meta key and searching value. `tag` key is searched as equal and other meta values of keys can contain part.
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