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type { LightroomConfig, XMPData } from './types.ts';\n\n// Mapping from XMP property names to Lightroom config keys\nconst XMP_TO_LIGHTROOM_MAPPING: Record = {\n // Global adjustments\n 'crs:Exposure2012': 'LIGHTROOM_GLOBAL_EXPOSURE',\n 'crs:Contrast2012': 'LIGHTROOM_GLOBAL_CONTRAST',\n 'crs:Highlights2012': 'LIGHTROOM_GLOBAL_HIGHLIGHTS_CURVE',\n 'crs:Shadows2012': 'LIGHTROOM_GLOBAL_SHADOWS_CURVE',\n 'crs:Whites2012': 'LIGHTROOM_GLOBAL_WHITES_CURVE',\n 'crs:Blacks2012': 'LIGHTROOM_GLOBAL_BLACKS_CURVE',\n 'crs:Texture': 'LIGHTROOM_GLOBAL_MIDTONES_CURVE',\n 'crs:Clarity2012': 'LIGHTROOM_GLOBAL_GAMMA',\n 'crs:Dehaze': 'LIGHTROOM_GLOBAL_BLACK_LEVEL',\n 'crs:Vibrance': 'LIGHTROOM_GLOBAL_VIBRANCE',\n 'crs:Saturation': 'LIGHTROOM_GLOBAL_SATURATION',\n 'crs:Temperature': 'LIGHTROOM_GLOBAL_TEMPERATURE',\n 'crs:Tint': 'LIGHTROOM_GLOBAL_TINT',\n \n // Color adjustments\n 'crs:RedHue': 'LIGHTROOM_RED_HUESHIFT',\n 'crs:RedSaturation': 'LIGHTROOM_RED_SATURATION',\n 'crs:RedLuminance': 'LIGHTROOM_RED_EXPOSURE',\n 'crs:OrangeHue': 'LIGHTROOM_ORANGE_HUESHIFT',\n 'crs:OrangeSaturation': 'LIGHTROOM_ORANGE_SATURATION',\n 'crs:OrangeLuminance': 'LIGHTROOM_ORANGE_EXPOSURE',\n 'crs:YellowHue': 'LIGHTROOM_YELLOW_HUESHIFT',\n 'crs:YellowSaturation': 'LIGHTROOM_YELLOW_SATURATION',\n 'crs:YellowLuminance': 'LIGHTROOM_YELLOW_EXPOSURE',\n 'crs:GreenHue': 'LIGHTROOM_GREEN_HUESHIFT',\n 'crs:GreenSaturation': 'LIGHTROOM_GREEN_SATURATION',\n 'crs:GreenLuminance': 'LIGHTROOM_GREEN_EXPOSURE',\n 'crs:AquaHue': 'LIGHTROOM_AQUA_HUESHIFT',\n 'crs:AquaSaturation': 'LIGHTROOM_AQUA_SATURATION',\n 'crs:AquaLuminance': 'LIGHTROOM_AQUA_EXPOSURE',\n 'crs:BlueHue': 'LIGHTROOM_BLUE_HUESHIFT',\n 'crs:BlueSaturation': 'LIGHTROOM_BLUE_SATURATION',\n 'crs:BlueLuminance': 'LIGHTROOM_BLUE_EXPOSURE',\n 'crs:PurpleHue': 'LIGHTROOM_PURPLE_HUESHIFT',\n 'crs:PurpleSaturation': 'LIGHTROOM_PURPLE_SATURATION',\n 'crs:PurpleLuminance': 'LIGHTROOM_PURPLE_EXPOSURE',\n 'crs:MagentaHue': 'LIGHTROOM_MAGENTA_HUESHIFT',\n 'crs:MagentaSaturation': 'LIGHTROOM_MAGENTA_SATURATION',\n 'crs:MagentaLuminance': 'LIGHTROOM_MAGENTA_EXPOSURE',\n \n // Vignette\n 'crs:VignetteAmount': 'LIGHTROOM_VIGNETTE_AMOUNT',\n 'crs:VignetteMidpoint': 'LIGHTROOM_VIGNETTE_RADIUS_INNER',\n 'crs:VignetteFeather': 'LIGHTROOM_VIGNETTE_RADIUS_OUTER',\n 'crs:VignetteRoundness': 'LIGHTROOM_VIGNETTE_CURVE',\n 'crs:VignetteStyle': 'LIGHTROOM_VIGNETTE_BLEND_MODE',\n};\n\n// Default values for common Lightroom settings\nconst DEFAULT_VALUES: Record = {\n 'LIGHTROOM_ENABLE_CLIPPING_DISPLAY': 0,\n 'LIGHTROOM_ENABLE_CURVE_DISPLAY': 0,\n 'LIGHTROOM_ENABLE_LUT': 0,\n 'LIGHTROOM_ENABLE_VIGNETTE': 0,\n 'LIGHTROOM_GLOBAL_WHITE_LEVEL': 255.000000,\n 'LIGHTROOM_LUT_SCROLL': 0,\n 'LIGHTROOM_LUT_TILE_COUNT': 16,\n 'LIGHTROOM_LUT_TILE_SIZE': 16,\n 'LIGHTROOM_VIGNETTE_COLOR': '0.171569,0.171569,0.171569',\n 'LIGHTROOM_VIGNETTE_HEIGHT': 0.739000,\n 'LIGHTROOM_VIGNETTE_OFFS': '0.000000,0.000000',\n 'LIGHTROOM_VIGNETTE_SHOW_RADII': 0,\n 'LIGHTROOM_VIGNETTE_WIDTH': 0.000000,\n};\n\nexport function parseXMP(xmpContent: string): XMPData {\n const data: XMPData = {};\n \n // Simple XML parsing - look for crs: attributes and elements\n const crsPattern = /crs:(\\w+)=\"([^\"]+)\"/g;\n let match;\n \n while ((match = crsPattern.exec(xmpContent)) !== null) {\n const [, key, value] = match;\n data[`crs:${key}`] = value;\n }\n \n // Also look for elements like value\n const elementPattern = /([^<]+)<\\/crs:\\w+>/g;\n while ((match = elementPattern.exec(xmpContent)) !== null) {\n const [, key, value] = match;\n data[`crs:${key}`] = value;\n }\n \n // Look for self-closing elements like \n const selfClosingPattern = //g;\n while ((match = selfClosingPattern.exec(xmpContent)) !== null) {\n const [, key] = match;\n data[`crs:${key}`] = \"true\";\n }\n \n // Handle nested structures and arrays (basic support)\n const nestedPattern = /]*>[\\s\\S]*?<\\/crs:\\w+>/g;\n while ((match = nestedPattern.exec(xmpContent)) !== null) {\n const [fullMatch, key] = match;\n // Extract attributes from nested elements\n const attrPattern = /(\\w+)=\"([^\"]+)\"/g;\n let attrMatch;\n while ((attrMatch = attrPattern.exec(fullMatch)) !== null) {\n const [, attrKey, attrValue] = attrMatch;\n if (attrKey !== 'xmlns' && !attrKey.startsWith('xmlns:')) {\n data[`crs:${key}_${attrKey}`] = attrValue;\n }\n }\n }\n \n return data;\n}\n\nexport function convertToLightroomConfig(xmpData: XMPData): string {\n const config: LightroomConfig = { ...DEFAULT_VALUES };\n \n // Convert XMP values to Lightroom format\n for (const [xmpKey, value] of Object.entries(xmpData)) {\n const lightroomKey = XMP_TO_LIGHTROOM_MAPPING[xmpKey];\n if (lightroomKey) {\n // Convert string values to numbers where appropriate\n const numValue = parseFloat(value as string);\n if (!isNaN(numValue)) {\n // Normalize values - XMP often uses different scales\n let normalizedValue = numValue;\n \n // Temperature and tint adjustments\n if (lightroomKey.includes('TEMPERATURE')) {\n normalizedValue = numValue / 1000; // XMP uses larger scale\n } else if (lightroomKey.includes('TINT')) {\n normalizedValue = numValue / 100; // XMP uses larger scale\n } else if (lightroomKey.includes('HUESHIFT')) {\n normalizedValue = numValue / 100; // Convert percentage to decimal\n } else if (lightroomKey.includes('SATURATION')) {\n normalizedValue = numValue / 100; // Convert percentage to decimal\n } else if (lightroomKey.includes('EXPOSURE') && !lightroomKey.includes('GLOBAL_EXPOSURE')) {\n // Color luminance adjustments (exposure per color)\n normalizedValue = numValue / 100; // Convert percentage to decimal\n } else if (lightroomKey.includes('CURVE')) {\n // Curve adjustments are typically in percentage\n normalizedValue = numValue / 100;\n } else if (lightroomKey.includes('VIGNETTE')) {\n // Vignette values vary by property\n if (lightroomKey.includes('AMOUNT')) {\n normalizedValue = numValue / 100;\n } else if (lightroomKey.includes('RADIUS')) {\n normalizedValue = numValue / 100;\n } else if (lightroomKey.includes('CURVE')) {\n normalizedValue = numValue / 100;\n }\n }\n \n config[lightroomKey] = normalizedValue;\n } else {\n config[lightroomKey] = value;\n }\n }\n }\n \n // Generate the output format\n const lines: string[] = [];\n const sortedKeys = Object.keys(config).sort();\n \n for (const key of sortedKeys) {\n const value = config[key];\n if (typeof value === 'number') {\n lines.push(`${key}=${value.toFixed(6)}`);\n } else {\n lines.push(`${key}=${value}`);\n }\n }\n \n return lines.join('\\n');\n}","deleted","label",[171,153],"shared","permalink","https://www.val.town/x/jjg/xmp2reshade/code/shared/xmp-parser.ts","extension","actionData","errors"]