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Markdown-ish syntax for generating flowcharts, mindmaps, sequence diagrams, class diagrams, gantt charts, git graphs and more.
import {
populateCommonDb
} from "./chunk-JJENOPKO.mjs";
import {
cleanAndMerge
} from "./chunk-VKXSJROQ.mjs";
import {
selectSvgElement
} from "./chunk-DLZUUSFL.mjs";
import {
__name,
clear,
configureSvgSize,
defaultConfig_default,
getAccDescription,
getAccTitle,
getConfig,
getDiagramTitle,
log,
setAccDescription,
setAccTitle,
setDiagramTitle
} from "./chunk-O2AGWWWV.mjs";
// src/diagrams/packet/db.ts
var defaultPacketData = {
packet: []
};
var data = structuredClone(defaultPacketData);
var DEFAULT_PACKET_CONFIG = defaultConfig_default.packet;
var getConfig2 = /* @__PURE__ */ __name(() => {
const config = cleanAndMerge({
...DEFAULT_PACKET_CONFIG,
...getConfig().packet
});
if (config.showBits) {
config.paddingY += 10;
}
return config;
}, "getConfig");
var getPacket = /* @__PURE__ */ __name(() => data.packet, "getPacket");
var pushWord = /* @__PURE__ */ __name((word) => {
if (word.length > 0) {
data.packet.push(word);
}
}, "pushWord");
var clear2 = /* @__PURE__ */ __name(() => {
clear();
data = structuredClone(defaultPacketData);
}, "clear");
var db = {
pushWord,
getPacket,
getConfig: getConfig2,
clear: clear2,
setAccTitle,
getAccTitle,
setDiagramTitle,
getDiagramTitle,
getAccDescription,
setAccDescription
};
// src/diagrams/packet/parser.ts
import { parse } from "@mermaid-js/parser";
var maxPacketSize = 1e4;
var populate = /* @__PURE__ */ __name((ast) => {
populateCommonDb(ast, db);
let lastByte = -1;
let word = [];
let row = 1;
const { bitsPerRow } = db.getConfig();
for (let { start, end, label } of ast.blocks) {
if (end && end < start) {
throw new Error(`Packet block ${start} - ${end} is invalid. End must be greater than start.`);
}
if (start !== lastByte + 1) {
throw new Error(
`Packet block ${start} - ${end ?? start} is not contiguous. It should start from ${lastByte + 1}.`
);
}
lastByte = end ?? start;
log.debug(`Packet block ${start} - ${lastByte} with label ${label}`);
while (word.length <= bitsPerRow + 1 && db.getPacket().length < maxPacketSize) {
const [block, nextBlock] = getNextFittingBlock({ start, end, label }, row, bitsPerRow);
word.push(block);
if (block.end + 1 === row * bitsPerRow) {
db.pushWord(word);
word = [];
row++;
}
if (!nextBlock) {
break;
}
({ start, end, label } = nextBlock);
}
}
db.pushWord(word);
}, "populate");
var getNextFittingBlock = /* @__PURE__ */ __name((block, row, bitsPerRow) => {
if (block.end === void 0) {
block.end = block.start;
}
if (block.start > block.end) {
throw new Error(`Block start ${block.start} is greater than block end ${block.end}.`);
}
if (block.end + 1 <= row * bitsPerRow) {
return [block, void 0];
}
return [
{
start: block.start,
end: row * bitsPerRow - 1,
label: block.label
},
{
start: row * bitsPerRow,
end: block.end,
label: block.label
}
];
}, "getNextFittingBlock");
var parser = {
parse: /* @__PURE__ */ __name(async (input) => {
const ast = await parse("packet", input);
log.debug(ast);
populate(ast);
}, "parse")
};
// src/diagrams/packet/renderer.ts
var draw = /* @__PURE__ */ __name((_text, id, _version, diagram2) => {
const db2 = diagram2.db;
const config = db2.getConfig();
const { rowHeight, paddingY, bitWidth, bitsPerRow } = config;
const words = db2.getPacket();
const title = db2.getDiagramTitle();
const totalRowHeight = rowHeight + paddingY;
const svgHeight = totalRowHeight * (words.length + 1) - (title ? 0 : rowHeight);
const svgWidth = bitWidth * bitsPerRow + 2;
const svg = selectSvgElement(id);
svg.attr("viewbox", `0 0 ${svgWidth} ${svgHeight}`);
configureSvgSize(svg, svgHeight, svgWidth, config.useMaxWidth);
for (const [word, packet] of words.entries()) {
drawWord(svg, packet, word, config);
}
svg.append("text").text(title).attr("x", svgWidth / 2).attr("y", svgHeight - totalRowHeight / 2).attr("dominant-baseline", "middle").attr("text-anchor", "middle").attr("class", "packetTitle");
}, "draw");
var drawWord = /* @__PURE__ */ __name((svg, word, rowNumber, { rowHeight, paddingX, paddingY, bitWidth, bitsPerRow, showBits }) => {
const group = svg.append("g");
const wordY = rowNumber * (rowHeight + paddingY) + paddingY;
for (const block of word) {
const blockX = block.start % bitsPerRow * bitWidth + 1;
const width = (block.end - block.start + 1) * bitWidth - paddingX;
group.append("rect").attr("x", blockX).attr("y", wordY).attr("width", width).attr("height", rowHeight).attr("class", "packetBlock");
group.append("text").attr("x", blockX + width / 2).attr("y", wordY + rowHeight / 2).attr("class", "packetLabel").attr("dominant-baseline", "middle").attr("text-anchor", "middle").text(block.label);
if (!showBits) {
continue;
}
const isSingleBlock = block.end === block.start;
const bitNumberY = wordY - 2;
group.append("text").attr("x", blockX + (isSingleBlock ? width / 2 : 0)).attr("y", bitNumberY).attr("class", "packetByte start").attr("dominant-baseline", "auto").attr("text-anchor", isSingleBlock ? "middle" : "start").text(block.start);
if (!isSingleBlock) {
group.append("text").attr("x", blockX + width).attr("y", bitNumberY).attr("class", "packetByte end").attr("dominant-baseline", "auto").attr("text-anchor", "end").text(block.end);
}
}
}, "drawWord");
var renderer = { draw };
// src/diagrams/packet/styles.ts
var defaultPacketStyleOptions = {
byteFontSize: "10px",
startByteColor: "black",
endByteColor: "black",
labelColor: "black",
labelFontSize: "12px",
titleColor: "black",
titleFontSize: "14px",
blockStrokeColor: "black",
blockStrokeWidth: "1",
blockFillColor: "#efefef"
};
var styles = /* @__PURE__ */ __name(({ packet } = {}) => {
const options = cleanAndMerge(defaultPacketStyleOptions, packet);
return `
.packetByte {
font-size: ${options.byteFontSize};
}
.packetByte.start {
fill: ${options.startByteColor};
}
.packetByte.end {
fill: ${options.endByteColor};
}
.packetLabel {
fill: ${options.labelColor};
font-size: ${options.labelFontSize};
}
.packetTitle {
fill: ${options.titleColor};
font-size: ${options.titleFontSize};
}
.packetBlock {
stroke: ${options.blockStrokeColor};
stroke-width: ${options.blockStrokeWidth};
fill: ${options.blockFillColor};
}
`;
}, "styles");
// src/diagrams/packet/diagram.ts
var diagram = {
parser,
db,
renderer,
styles
};
export {
diagram
};