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1
28 package org.jvyamlb;
29
30 import java.io.InputStream  ;
31 import java.io.ByteArrayOutputStream ;
32 import java.io.OutputStream ;
33
34 import java.util.Iterator ;
35 import java.util.Map ;
36 import java.util.HashMap ;
37 import java.util.List ;
38 import java.util.ArrayList ;
39
40 import org.jruby.util.ByteList;
41
42
47 public class YAML {
48 public static final String DEFAULT_SCALAR_TAG = "tag:yaml.org,2002:str";
49 public static final String DEFAULT_SEQUENCE_TAG = "tag:yaml.org,2002:seq";
50 public static final String DEFAULT_MAPPING_TAG = "tag:yaml.org,2002:map";
51
52 public static final Map ESCAPE_REPLACEMENTS = new HashMap ();
53
54 static {
55 ESCAPE_REPLACEMENTS.put(new Character ('\0'),"0");
56 ESCAPE_REPLACEMENTS.put(new Character ('\u0007'),"a");
57 ESCAPE_REPLACEMENTS.put(new Character ('\u0008'),"b");
58 ESCAPE_REPLACEMENTS.put(new Character ('\u0009'),"t");
59 ESCAPE_REPLACEMENTS.put(new Character ('\n'),"n");
60 ESCAPE_REPLACEMENTS.put(new Character ('\u000B'),"v");
61 ESCAPE_REPLACEMENTS.put(new Character ('\u000C'),"f");
62 ESCAPE_REPLACEMENTS.put(new Character ('\r'),"r");
63 ESCAPE_REPLACEMENTS.put(new Character ('\u001B'),"e");
64 ESCAPE_REPLACEMENTS.put(new Character ('"'),"\"");
65 ESCAPE_REPLACEMENTS.put(new Character ('\\'),"\\");
66 ESCAPE_REPLACEMENTS.put(new Character ('\u0085'),"N");
67 ESCAPE_REPLACEMENTS.put(new Character ('\u00A0'),"_");
68 }
69 public static YAMLConfig config() {
70 return defaultConfig();
71 }
72
73 public static YAMLConfig defaultConfig() {
74 return new DefaultYAMLConfig();
75 }
76
77 public static ByteList dump(final Object data) {
78 return dump(data,config());
79 }
80
81 public static ByteList dump(final Object data, final YAMLFactory fact) {
82 return dump(data,fact, config());
83 }
84
85 public static ByteList dump(final Object data, final YAMLConfig cfg) {
86 final List lst = new ArrayList (1);
87 lst.add(data);
88 return dumpAll(lst,cfg);
89 }
90
91 public static ByteList dump(final Object data, final YAMLFactory fact, final YAMLConfig cfg) {
92 final List lst = new ArrayList (1);
93 lst.add(data);
94 return dumpAll(lst,fact,cfg);
95 }
96
97 public static ByteList dumpAll(final List data) {
98 return dumpAll(data,config());
99 }
100
101 public static ByteList dumpAll(final List data, final YAMLFactory fact) {
102 return dumpAll(data,fact,config());
103 }
104
105 public static ByteList dumpAll(final List data, final YAMLConfig cfg) {
106 final ByteArrayOutputStream swe = new ByteArrayOutputStream ();
107 dumpAll(data,swe,cfg);
108 return new ByteList(swe.toByteArray(),false);
109 }
110
111 public static ByteList dumpAll(final List data, final YAMLFactory fact, final YAMLConfig cfg) {
112 final ByteArrayOutputStream swe = new ByteArrayOutputStream ();
113 dumpAll(data,swe,fact,cfg);
114 return new ByteList(swe.toByteArray(),false);
115 }
116
117 public static void dump(final Object data, final OutputStream output) {
118 dump(data,output,config());
119 }
120
121 public static void dump(final Object data, final OutputStream output, YAMLFactory fact) {
122 dump(data,output,fact,config());
123 }
124
125 public static void dump(final Object data, final OutputStream output, final YAMLConfig cfg) {
126 final List lst = new ArrayList (1);
127 lst.add(data);
128 dumpAll(lst,output,cfg);
129 }
130
131 public static void dump(final Object data, final OutputStream output, final YAMLFactory fact, final YAMLConfig cfg) {
132 final List lst = new ArrayList (1);
133 lst.add(data);
134 dumpAll(lst,output,fact,cfg);
135 }
136
137 public static void dumpAll(final List data, final OutputStream output) {
138 dumpAll(data,output,config());
139 }
140
141 public static void dumpAll(final List data, final OutputStream output, final YAMLFactory fact) {
142 dumpAll(data,output,fact,config());
143 }
144
145 public static void dumpAll(final List data, final OutputStream output, final YAMLConfig cfg) {
146 dumpAll(data,output,new DefaultYAMLFactory(),cfg);
147 }
148
149 public static void dumpAll(final List data, final OutputStream output, final YAMLFactory fact, final YAMLConfig cfg) {
150 final Serializer s = fact.createSerializer(fact.createEmitter(output,cfg),fact.createResolver(),cfg);
151 try {
152 s.open();
153 final Representer r = fact.createRepresenter(s,cfg);
154 for(final Iterator iter = data.iterator(); iter.hasNext();) {
155 r.represent(iter.next());
156 }
157 } catch(final java.io.IOException e) {
158 throw new YAMLException(e);
159 } finally {
160 try { s.close(); } catch(final java.io.IOException e) {}
161 }
162 }
163
164 public static Object load(final ByteList io) {
165 return load(io, new DefaultYAMLFactory(),config());
166 }
167
168 public static Object load(final InputStream io) {
169 return load(io, new DefaultYAMLFactory(),config());
170 }
171
172 public static Object load(final ByteList io, final YAMLConfig cfg) {
173 return load(io, new DefaultYAMLFactory(),cfg);
174 }
175
176 public static Object load(final InputStream io, final YAMLConfig cfg) {
177 return load(io, new DefaultYAMLFactory(),cfg);
178 }
179
180 public static Object load(final ByteList io, final YAMLFactory fact, final YAMLConfig cfg) {
181 final Constructor ctor = fact.createConstructor(fact.createComposer(fact.createParser(fact.createScanner(io),cfg),fact.createResolver()));
182 if(ctor.checkData()) {
183 return ctor.getData();
184 } else {
185 return null;
186 }
187 }
188
189 public static Object load(final InputStream io, final YAMLFactory fact, final YAMLConfig cfg) {
190 final Constructor ctor = fact.createConstructor(fact.createComposer(fact.createParser(fact.createScanner(io),cfg),fact.createResolver()));
191 if(ctor.checkData()) {
192 return ctor.getData();
193 } else {
194 return null;
195 }
196 }
197
198 public static List loadAll(final ByteList io) {
199 return loadAll(io, new DefaultYAMLFactory(),config());
200 }
201
202 public static List loadAll(final InputStream io) {
203 return loadAll(io, new DefaultYAMLFactory(),config());
204 }
205
206 public static List loadAll(final ByteList io, final YAMLConfig cfg) {
207 return loadAll(io, new DefaultYAMLFactory(),cfg);
208 }
209
210 public static List loadAll(final InputStream io, final YAMLConfig cfg) {
211 return loadAll(io, new DefaultYAMLFactory(),cfg);
212 }
213
214 public static List loadAll(final ByteList io, final YAMLFactory fact, final YAMLConfig cfg) {
215 final List result = new ArrayList ();
216 final Constructor ctor = fact.createConstructor(fact.createComposer(fact.createParser(fact.createScanner(io),cfg),fact.createResolver()));
217 while(ctor.checkData()) {
218 result.add(ctor.getData());
219 }
220 return result;
221 }
222
223 public static List loadAll(final InputStream io, final YAMLFactory fact, final YAMLConfig cfg) {
224 final List result = new ArrayList ();
225 final Constructor ctor = fact.createConstructor(fact.createComposer(fact.createParser(fact.createScanner(io),cfg),fact.createResolver()));
226 while(ctor.checkData()) {
227 result.add(ctor.getData());
228 }
229 return result;
230 }
231
232 public static void main(final String [] args) {
233 System.err.println(YAML.load(new ByteList("%YAML 1.0\n---\n!str str".getBytes())));
234 }
235 } |
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