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'use strict';
const fs = require('fs');
const ejs = require('ejs');
const spec = require('mapbox-gl-style-spec').latest;
var parseCSSColor = require('csscolorparser').parseCSSColor;
global.camelize = function (str) {
return str.replace(/(?:^|-)(.)/g, function (_, x) {
return x.toUpperCase();
});
}
global.camelizeWithLeadingLowercase = function (str) {
return str.replace(/-(.)/g, function (_, x) {
return x.toUpperCase();
});
}
global.propertyType = function (property) {
if (/-translate-anchor$/.test(property.name)) {
return 'TranslateAnchorType';
}
if (/-(rotation|pitch)-alignment$/.test(property.name)) {
return 'AlignmentType';
}
switch (property.type) {
case 'boolean':
return 'bool';
case 'number':
return 'float';
case 'string':
return 'std::string';
case 'enum':
return `${camelize(property.name)}Type`;
case 'color':
return `Color`;
case 'array':
if (property.length) {
return `std::array<${propertyType({type: property.value})}, ${property.length}>`;
} else {
return `std::vector<${propertyType({type: property.value})}>`;
}
default: throw new Error(`unknown type for ${property.name}`)
}
}
global.defaultValue = function (property) {
// https://github.com/mapbox/mapbox-gl-native/issues/5258
if (property.name === 'line-round-limit') {
return 1;
}
switch (property.type) {
case 'number':
return property.default;
case 'string':
return JSON.stringify(property.default || "");
case 'enum':
if (property.default === undefined) {
return `${propertyType(property)}::Undefined`;
} else {
return `${propertyType(property)}::${camelize(property.default)}`;
}
case 'color':
return `{{ ${parseCSSColor(property.default).join(', ')} }}`
case 'array':
const defaults = (property.default || []).map((e) => defaultValue({ type: property.value, default: e }));
if (property.length) {
return `{{ ${defaults.join(', ')} }}`;
} else {
return `{ ${defaults.join(', ')} }`;
}
default:
return property.default;
}
}
const layerHpp = ejs.compile(fs.readFileSync('include/mbgl/style/layers/layer.hpp.ejs', 'utf8'), {strict: true});
const layerCpp = ejs.compile(fs.readFileSync('src/mbgl/style/layers/layer.cpp.ejs', 'utf8'), {strict: true});
const propertiesHpp = ejs.compile(fs.readFileSync('src/mbgl/style/layers/layer_properties.hpp.ejs', 'utf8'), {strict: true});
const propertiesCpp = ejs.compile(fs.readFileSync('src/mbgl/style/layers/layer_properties.cpp.ejs', 'utf8'), {strict: true});
const layers = spec.layer.type.values.map((type) => {
const layoutProperties = Object.keys(spec[`layout_${type}`]).reduce((memo, name) => {
if (name !== 'visibility') {
spec[`layout_${type}`][name].name = name;
memo.push(spec[`layout_${type}`][name]);
}
return memo;
}, []);
const paintProperties = Object.keys(spec[`paint_${type}`]).reduce((memo, name) => {
spec[`paint_${type}`][name].name = name;
memo.push(spec[`paint_${type}`][name]);
return memo;
}, []);
return {
type: type,
layoutProperties: layoutProperties,
paintProperties: paintProperties,
};
});
for (const layer of layers) {
fs.writeFileSync(`include/mbgl/style/layers/${layer.type}_layer.hpp`, layerHpp(layer));
fs.writeFileSync(`src/mbgl/style/layers/${layer.type}_layer.cpp`, layerCpp(layer));
fs.writeFileSync(`src/mbgl/style/layers/${layer.type}_layer_properties.hpp`, propertiesHpp(layer));
fs.writeFileSync(`src/mbgl/style/layers/${layer.type}_layer_properties.cpp`, propertiesCpp(layer));
}
const nodeStyleCpp = ejs.compile(fs.readFileSync('platform/node/src/node_style_properties.hpp.ejs', 'utf8'), {strict: true});
fs.writeFileSync('platform/node/src/node_style_properties.hpp', nodeStyleCpp({layers: layers}));
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