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Fix to make this class work in a pure dart environment. #116

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Fix to make this class work in a pure dart environment. #116

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227 changes: 227 additions & 0 deletions lib/src/capabilities_json.dart
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Original file line number Diff line number Diff line change
@@ -0,0 +1,227 @@
const capabilitiesJson = '''
{
"profiles": {
"default": {
"codePages": {
"0": "CP437",
"1": "CP932",
"2": "CP850",
"3": "CP860",
"4": "CP863",
"5": "CP865",
"6": "Unknown",
"7": "Unknown",
"8": "Unknown",
"11": "CP851",
"12": "CP853",
"13": "CP857",
"14": "CP737",
"15": "ISO_8859-7",
"16": "CP1252",
"17": "CP866",
"18": "CP852",
"19": "CP858",
"20": "Unknown",
"21": "CP874",
"22": "Unknown",
"23": "Unknown",
"24": "Unknown",
"25": "Unknown",
"26": "Unknown",
"30": "TCVN-3-1",
"31": "TCVN-3-2",
"32": "CP720",
"33": "CP775",
"34": "CP855",
"35": "CP861",
"36": "CP862",
"37": "CP864",
"38": "CP869",
"39": "ISO_8859-2",
"40": "ISO_8859-15",
"41": "CP1098",
"42": "CP774",
"43": "CP772",
"44": "CP1125",
"45": "CP1250",
"46": "CP1251",
"47": "CP1253",
"48": "CP1254",
"49": "CP1255",
"50": "CP1256",
"51": "CP1257",
"52": "CP1258",
"53": "RK1048",
"66": "Unknown",
"67": "Unknown",
"68": "Unknown",
"69": "Unknown",
"70": "Unknown",
"71": "Unknown",
"72": "Unknown",
"73": "Unknown",
"74": "Unknown",
"75": "Unknown",
"82": "Unknown",
"254": "Unknown",
"255": "Unknown"
},
"vendor": "Generic",
"model": "Default",
"description": "Default ESC/POS profile"
},

"XP-N160I": {
"codePages": {
"0": "CP437",
"1": "CP932",
"2": "CP850",
"3": "CP860",
"4": "CP863",
"5": "CP865",
"6": "CP1252",
"7": "CP737",
"8": "CP862",
"9": "Unknown",
"10": "Unknown",
"16": "CP1252",
"17": "CP866",
"18": "CP852",
"19": "CP858",
"20": "Unknown",
"21": "Unknown",
"22": "Unknown",
"23": "Unknown",
"24": "CP747",
"25": "CP1257",
"27": "CP1258",
"28": "CP864",
"29": "CP1001",
"30": "Unknown",
"31": "Unknown",
"32": "CP1255",
"50": "CP437",
"51": "CP932",
"52": "CP437",
"53": "CP858",
"54": "CP858",
"55": "CP860",
"56": "CP861",
"57": "CP863",
"58": "CP865",
"59": "CP866",
"60": "CP855",
"61": "CP857",
"62": "CP862",
"63": "CP864",
"64": "CP737",
"65": "CP851",
"66": "CP869",
"67": "CP928",
"68": "CP772",
"69": "CP774",
"70": "CP874",
"71": "CP1252",
"72": "CP1250",
"73": "CP1251",
"74": "CP3840",
"75": "CP3841",
"76": "CP3843",
"77": "CP3844",
"78": "CP3845",
"79": "CP3846",
"80": "CP3847",
"81": "CP3848",
"82": "CP1001",
"83": "CP2001",
"84": "CP3001",
"85": "CP3002",
"86": "CP3011",
"87": "CP3012",
"88": "CP3021",
"89": "CP3041"
},
"vendor": "Xprinter",
"model": "XP-N160I",
"description": ""
},

"RP80USE": {
"codePages": {
"0": "CP437",
"1": "CP932",
"2": "CP850",
"3": "CP860",
"4": "CP863",
"5": "CP865",
"6": "CP1251",
"7": "CP866",
"8": "Unknown",
"9": "Unknown",
"10": "Unknown",
"15": "CP862",
"16": "CP1252",
"17": "CP1253",
"18": "CP852",
"19": "CP858",
"20": "Unknown",
"21": "Unknown",
"22": "CP864",
"23": "ISO_8859-1",
"24": "CP737",
"25": "CP1257",
"26": "Unknown",
"27": "CP720",
"28": "CP855",
"29": "CP857",
"30": "CP1250",
"31": "CP775",
"32": "CP1254",
"34": "CP1256",
"35": "CP1258",
"36": "ISO_8859-2",
"37": "ISO_8859-3",
"38": "ISO_8859-4",
"39": "ISO_8859-5",
"40": "ISO_8859-6",
"41": "ISO_8859-7",
"42": "ISO_8859-8",
"43": "ISO_8859-9",
"44": "ISO_8859-15",
"45": "Unknown",
"46": "CP856",
"47": "CP874"
},
"vendor": "Rongta",
"model": "RP80USE",
"description": ""
},

"TP806L": {
"codePages": {
"0": "PC437",
"1": "Katakana",
"2": "PC850",
"3": "PC860",
"4": "PC863",
"5": "PC865",
"13": "PC857",
"14": "PC737",
"15": "ISO8859-7",
"16": "WPC1252",
"17": "PC866",
"18": "PC852",
"19": "PC858",
"20": "KU42",
"32": "PC720",
"37": "PC864",
"50": "WPC1256",
"63": "ISO-8859-6"
},
"vendor": "HPRT",
"model": "TP806L",
"description": ""
}
}
}
''';
17 changes: 6 additions & 11 deletions lib/src/capability_profile.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,9 @@
*/

import 'dart:convert' show json;
import 'dart:convert' show utf8;
import 'package:flutter/services.dart' show rootBundle;

import 'package:esc_pos_utils/src/capabilities_json.dart';
// import 'package:flutter/services.dart' show rootBundle;

class CodePage {
CodePage(this.id, this.name);
Expand All @@ -21,8 +22,7 @@ class CapabilityProfile {

/// Public factory
static Future<CapabilityProfile> load({String name = 'default'}) async {
final content = await rootBundle
.loadString('packages/esc_pos_utils/resources/capabilities.json');
final content = capabilitiesJson;
Map capabilities = json.decode(content);

var profile = capabilities['profiles'][name];
Expand All @@ -48,16 +48,11 @@ class CapabilityProfile {
throw Exception("The CapabilityProfile isn't initialized");
}

return codePages
.firstWhere((cp) => cp.name == codePage,
orElse: () => throw Exception(
"Code Page '$codePage' isn't defined for this profile"))
.id;
return codePages.firstWhere((cp) => cp.name == codePage, orElse: () => throw Exception("Code Page '$codePage' isn't defined for this profile")).id;
}

static Future<List<dynamic>> getAvailableProfiles() async {
final content = await rootBundle
.loadString('packages/esc_pos_utils/resources/capabilities.json');
final content = capabilitiesJson;
Map capabilities = json.decode(content);

var profiles = capabilities['profiles'];
Expand Down
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