Attachment #53089 for bug #121936

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    public static final String RUBY_MIME_TYPE = "text/x-ruby"; // application/x-ruby is also used a fair bit.
    
    /** Number of bytes to sniff from the file headers */
    static final int HEADER_LENGTH = 40;
    
    public RubyMimeResolver() {
    }

        return null;
    }
    
    public static boolean isRubyHeader(byte[] header) {
        int max = header.length;
        
        if ((max < 2) || (header[0] != '#') || (header[1] != '!')) {
            return false;
        }
        
        // See if we have either
        // #!/usr/bin/ruby
        // or some variation of that, e.g.
        // #! C:\programs\ruby.exe
        // or the env variety
        // #!/usr/bin/env ruby
        // or some variety of that
        
        // Skip spaces
        int index = 2;
        
        while ((index < max) && (header[index] == ' ')) {
            index++;
        }
        
        // Look for the end of the path
        while ((index < max) && (header[index] != '\n') && (header[index] != ' ')) {
            index++;
        }
        
        index--;
        
        // Back up and see what the last word was
        while ((index >= 2) && (header[index] != '/') && (header[index] != '\\') &&
                (header[index] != ' ')) {
            index--;
        }
        
        index++;
        
        // See if it's "ruby", "jruby", or "env" ?
        if ((((index + 3) < max) && (header[index] == 'r') && (header[index + 1] == 'u') &&
                (header[index + 2] == 'b') && (header[index + 3] == 'y')) ||
                (((index + 4) < max) && (header[index] == 'j') && (header[index + 1] == 'r') &&
                (header[index + 2] == 'u') && (header[index + 3] == 'b') &&
                (header[index + 4] == 'y'))) {
            // It's ruby or jruby
            // See if the suffix is okay
            if (header[index] == 'j') {
                index += 5;
            } else {
                index += 4;
            }
            
            if ((index >= max) || (header[index] == '\n') || (header[index] == ' ')) {
                return true;
            }
            
            if ((header[index] == '.') && ((index + 3) < max) && (header[index + 1] == 'e') &&
                    (header[index + 2] == 'x') && (header[index + 3] == 'e')) {
                return true;
            }
            
            return false;
        } else if (((index + 2) < max) && (header[index] == 'e') && (header[index + 1] == 'n') &&
                (header[index + 2] == 'v')) {
            index += 3;
            
            // It's env
            if ((header[index] == ' ') ||
                    ((header[index] == '.') && ((index + 4) < max) && (header[index + 1] == 'e') &&
                    (header[index + 2] == 'x') && (header[index + 3] == 'e') &&
                    (header[index + 4] == ' '))) {
                // Find the next space and look for ruby or jruby
                if (header[index] == '.') {
                    index += 4;
                }
                
                while ((index < max) && (header[index] == ' ')) {
                    index++;
                }
                
                // Make sure we have "ruby" or "jruby" (or ruby.exe)?
                if ((((index + 3) < max) && (header[index] == 'r') && (header[index + 1] == 'u') &&
                        (header[index + 2] == 'b') && (header[index + 3] == 'y')) ||
                        (((index + 4) < max) && (header[index] == 'j') &&
                        (header[index + 1] == 'r') && (header[index + 2] == 'u') &&
                        (header[index + 3] == 'b') && (header[index + 4] == 'y'))) {
                    // Ensure that nothing FOLLOWS ruby or jruby
                    if (header[index] == 'j') {
                        index += 5;
                    } else {
                        index += 4;
                    }
                    
                    if ((index == max) || (header[index] == '\n') || (header[index] == ' ') ||
                            ((header[index] == '.') && ((index + 3) < max) &&
                            (header[index + 1] == 'e') && (header[index + 2] == 'x') &&
                            (header[index + 3] == 'e'))) {
                        return true;
                    }
                }
            }
        }
        
        return false;
    }
    
    private byte[] readHeader(FileObject fo) {
        // See if it looks like a Ruby file based on the shebang line
        byte[] header = new byte[HEADER_LENGTH];

        
        return header;
    }    

    public static boolean isRubyHeader(byte[] header) {
        int max = header.length;
        
        if ((max < 2) || (header[0] != '#') || (header[1] != '!')) {
            return false;
        }
        
        // See if the first line contains the word "ruby" (but not as a path component)
        find:
        for (int index = 0; index < max - 3; index++) {
            byte b = header[index];
            if (b == '\n') {
                break;
            }
            if (b == 'r' && (header[index + 1] == 'u') &&
                    (header[index + 2] == 'b') && (header[index + 3] == 'y')) {
                // No slash/backslash before the end of the line or next word
                for (int j = index+4; j < max; j++) {
                    byte c = header[j];
                    if (c == ' ' || c == '\n') {
                        break;
                    } else if (c == '/' || c == '\\') {
                        continue find;
                    }
                }
                return true;
            }
        }
        
        return false;
    }
}

Return to bug 121936

Lines 62-68 Link Here

(-)ruby/editing/src/org/netbeans/modules/ruby/RubyMimeResolver.java (-106 / +33 lines)
62	public static final String RUBY_MIME_TYPE = "text/x-ruby"; // application/x-ruby is also used a fair bit.	62	public static final String RUBY_MIME_TYPE = "text/x-ruby"; // application/x-ruby is also used a fair bit.
63		63
64	/** Number of bytes to sniff from the file headers */	64	/** Number of bytes to sniff from the file headers */
65	private static final int HEADER_LENGTH = 20;	65	static final int HEADER_LENGTH = 40;
66		66
67	public RubyMimeResolver() {	67	public RubyMimeResolver() {
68	}	68	}
Lines 104-214 Link Here
104	return null;	104	return null;
105	}	105	}
106		106
107	public static boolean isRubyHeader(byte[] header) {
108	int max = header.length;
109
110	if ((max < 2) \|\| (header[0] != '#') \|\| (header[1] != '!')) {
111	return false;
112	}
113
114	// See if we have either
115	// #!/usr/bin/ruby
116	// or some variation of that, e.g.
117	// #! C:\programs\ruby.exe
118	// or the env variety
119	// #!/usr/bin/env ruby
120	// or some variety of that
121
122	// Skip spaces
123	int index = 2;
124
125	while ((index < max) && (header[index] == ' ')) {
126	index++;
127	}
128
129	// Look for the end of the path
130	while ((index < max) && (header[index] != '\n') && (header[index] != ' ')) {
131	index++;
132	}
133
134	index--;
135
136	// Back up and see what the last word was
137	while ((index >= 2) && (header[index] != '/') && (header[index] != '\\') &&
138	(header[index] != ' ')) {
139	index--;
140	}
141
142	index++;
143
144	// See if it's "ruby", "jruby", or "env" ?
145	if ((((index + 3) < max) && (header[index] == 'r') && (header[index + 1] == 'u') &&
146	(header[index + 2] == 'b') && (header[index + 3] == 'y')) \|\|
147	(((index + 4) < max) && (header[index] == 'j') && (header[index + 1] == 'r') &&
148	(header[index + 2] == 'u') && (header[index + 3] == 'b') &&
149	(header[index + 4] == 'y'))) {
150	// It's ruby or jruby
151	// See if the suffix is okay
152	if (header[index] == 'j') {
153	index += 5;
154	} else {
155	index += 4;
156	}
157
158	if ((index >= max) \|\| (header[index] == '\n') \|\| (header[index] == ' ')) {
159	return true;
160	}
161
162	if ((header[index] == '.') && ((index + 3) < max) && (header[index + 1] == 'e') &&
163	(header[index + 2] == 'x') && (header[index + 3] == 'e')) {
164	return true;
165	}
166
167	return false;
168	} else if (((index + 2) < max) && (header[index] == 'e') && (header[index + 1] == 'n') &&
169	(header[index + 2] == 'v')) {
170	index += 3;
171
172	// It's env
173	if ((header[index] == ' ') \|\|
174	((header[index] == '.') && ((index + 4) < max) && (header[index + 1] == 'e') &&
175	(header[index + 2] == 'x') && (header[index + 3] == 'e') &&
176	(header[index + 4] == ' '))) {
177	// Find the next space and look for ruby or jruby
178	if (header[index] == '.') {
179	index += 4;
180	}
181
182	while ((index < max) && (header[index] == ' ')) {
183	index++;
184	}
185
186	// Make sure we have "ruby" or "jruby" (or ruby.exe)?
187	if ((((index + 3) < max) && (header[index] == 'r') && (header[index + 1] == 'u') &&
188	(header[index + 2] == 'b') && (header[index + 3] == 'y')) \|\|
189	(((index + 4) < max) && (header[index] == 'j') &&
190	(header[index + 1] == 'r') && (header[index + 2] == 'u') &&
191	(header[index + 3] == 'b') && (header[index + 4] == 'y'))) {
192	// Ensure that nothing FOLLOWS ruby or jruby
193	if (header[index] == 'j') {
194	index += 5;
195	} else {
196	index += 4;
197	}
198
199	if ((index == max) \|\| (header[index] == '\n') \|\| (header[index] == ' ') \|\|
200	((header[index] == '.') && ((index + 3) < max) &&
201	(header[index + 1] == 'e') && (header[index + 2] == 'x') &&
202	(header[index + 3] == 'e'))) {
203	return true;
204	}
205	}
206	}
207	}
208
209	return false;
210	}
211
212	private byte[] readHeader(FileObject fo) {	107	private byte[] readHeader(FileObject fo) {
213	// See if it looks like a Ruby file based on the shebang line	108	// See if it looks like a Ruby file based on the shebang line
214	byte[] header = new byte[HEADER_LENGTH];	109	byte[] header = new byte[HEADER_LENGTH];
Lines 245-248 Link Here
245		140
246	return header;	141	return header;
247	}	142	}
		143
		144	public static boolean isRubyHeader(byte[] header) {
		145	int max = header.length;
		146
		147	if ((max < 2) \|\| (header[0] != '#') \|\| (header[1] != '!')) {
		148	return false;
		149	}
		150
		151	// See if the first line contains the word "ruby" (but not as a path component)
		152	find:
		153	for (int index = 0; index < max - 3; index++) {
		154	byte b = header[index];
		155	if (b == '\n') {
		156	break;
		157	}
		158	if (b == 'r' && (header[index + 1] == 'u') &&
		159	(header[index + 2] == 'b') && (header[index + 3] == 'y')) {
		160	// No slash/backslash before the end of the line or next word
		161	for (int j = index+4; j < max; j++) {
		162	byte c = header[j];
		163	if (c == ' ' \|\| c == '\n') {
		164	break;
		165	} else if (c == '/' \|\| c == '\\') {
		166	continue find;
		167	}
		168	}
		169	return true;
		170	}
		171	}
		172
		173	return false;
		174	}
248	}	175	}

Lines 54-59 Link Here

(-)ruby/railsprojects/src/org/netbeans/modules/ruby/railsprojects/RailsProjectGenerator.java (-1 / +4 lines)
54	import org.netbeans.api.ruby.platform.RubyInstallation;	54	import org.netbeans.api.ruby.platform.RubyInstallation;
55	import org.netbeans.editor.BaseDocument;	55	import org.netbeans.editor.BaseDocument;
56	import org.netbeans.modules.ruby.NbUtilities;	56	import org.netbeans.modules.ruby.NbUtilities;
		57	import org.netbeans.modules.ruby.RubyUtils;
57	import org.netbeans.modules.ruby.railsprojects.ui.wizards.PanelOptionsVisual;	58	import org.netbeans.modules.ruby.railsprojects.ui.wizards.PanelOptionsVisual;
58	import org.netbeans.modules.ruby.rubyproject.RakeTargetsAction;	59	import org.netbeans.modules.ruby.rubyproject.RakeTargetsAction;
59	import org.netbeans.modules.ruby.rubyproject.execution.DirectoryFileLocator;	60	import org.netbeans.modules.ruby.rubyproject.execution.DirectoryFileLocator;
Lines 108-114 Link Here
108		109
109	// Run Rails to generate the appliation skeleton	110	// Run Rails to generate the appliation skeleton
110	if (create) {	111	if (create) {
111	boolean runThroughRuby = RubyInstallation.getInstance().getVersion("rails") != null; // NOI18N	112	FileObject rails = FileUtil.toFileObject(new File(RubyInstallation.getInstance().getRails()));
		113	boolean runThroughRuby = rails != null ? RubyUtils.isRubyFile(rails) : false;
		114
112	ExecutionDescriptor desc = null;	115	ExecutionDescriptor desc = null;
113	String displayName = NbBundle.getMessage(RailsProjectGenerator.class, "GenerateRails");	116	String displayName = NbBundle.getMessage(RailsProjectGenerator.class, "GenerateRails");
114		117