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packages/unified-latex-to-pretext/libs/pre-conversion-subs/create-table-from-tabular.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| import * as Ast from "@unified-latex/unified-latex-types"; | ||
| import { htmlLike } from "@unified-latex/unified-latex-util-html-like"; | ||
| import { | ||
| parseTabularSpec, | ||
| TabularColumn, | ||
| } from "@unified-latex/unified-latex-ctan/package/tabularx"; | ||
| import { parseAlignEnvironment } from "@unified-latex/unified-latex-util-align"; | ||
| import { getArgsContent } from "@unified-latex/unified-latex-util-arguments"; | ||
| import { trim } from "@unified-latex/unified-latex-util-trim"; | ||
|
|
||
| type Attributes = Record<string, string | Record<string, string>>; | ||
|
|
||
| /** | ||
| * Convert env into a tabular in pretext. | ||
| */ | ||
| export function createTableFromTabular(env: Ast.Environment) { | ||
| const tabularBody = parseAlignEnvironment(env.content); | ||
| const args = getArgsContent(env); | ||
| let columnSpecs: TabularColumn[] = []; | ||
| try { | ||
| columnSpecs = parseTabularSpec(args[1] || []); | ||
| } catch (e) {} | ||
|
|
||
| // for the tabular tag | ||
| const attributes: Attributes = {}; | ||
|
|
||
| // we only need the col tags if one of the columns aren't left aligned/have a border | ||
| let notLeftAligned: boolean = false; | ||
|
|
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| // stores which columns have borders to the right | ||
| // number is the column's index in columnSpecs | ||
| const columnRightBorder: Record<number, boolean> = {}; | ||
|
|
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| const tableBody = tabularBody.map((row) => { | ||
| const content = row.cells.map((cell, i) => { | ||
| const columnSpec = columnSpecs[i]; | ||
|
|
||
| if (columnSpec) { | ||
| const { alignment } = columnSpec; | ||
|
|
||
| // this will need to be in the tabular tag | ||
| if ( | ||
| columnSpec.pre_dividers.some( | ||
| (div) => div.type === "vert_divider" | ||
| ) | ||
| ) { | ||
| attributes["left"] = "minor"; | ||
| } | ||
|
|
||
| // check if the column has a right border | ||
| if ( | ||
| columnSpec.post_dividers.some( | ||
| (div) => div.type === "vert_divider" | ||
| ) | ||
| ) { | ||
| columnRightBorder[i] = true; | ||
| } | ||
|
|
||
| // check if the default alignment isn't used | ||
| if (alignment.alignment !== "left") { | ||
| notLeftAligned = true; | ||
| } | ||
| } | ||
|
|
||
| // trim whitespace off cell | ||
| trim(cell); | ||
|
|
||
| return htmlLike({ | ||
| tag: "cell", | ||
| content: cell, | ||
| }); | ||
| }); | ||
| return htmlLike({ tag: "row", content }); | ||
| }); | ||
|
|
||
| // add col tags if needed | ||
| if (notLeftAligned || Object.values(columnRightBorder).some((b) => b)) { | ||
| // go backwards since adding col tags to the front of the tableBody list | ||
| // otherwise, col tags will be in the reversed order | ||
| for (let i = columnSpecs.length; i >= 0; i--) { | ||
| const columnSpec = columnSpecs[i]; | ||
|
|
||
| if (!columnSpec) { | ||
| continue; | ||
| } | ||
|
|
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| const colAttributes: Attributes = {}; | ||
| const { alignment } = columnSpec; | ||
|
|
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| // add h-align attribute if not default | ||
| if (alignment.alignment !== "left") { | ||
| colAttributes["halign"] = alignment.alignment; // supports all alignments but stuff like p{'width'} (closest is @colspan in cell) | ||
| } | ||
|
|
||
| // if there is a right border add it | ||
| if (columnRightBorder[i] === true) { | ||
| colAttributes["right"] = "minor"; | ||
| } | ||
|
|
||
| tableBody.unshift( | ||
| htmlLike({ tag: "col", attributes: colAttributes }) | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| return htmlLike({ | ||
| tag: "tabular", | ||
| content: tableBody, | ||
| attributes: attributes, | ||
| }); | ||
| } |
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