1 | #!/usr/bin/python -u
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2 | #
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3 | # Indexes the examples and build an XML description
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4 | #
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5 | import string
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6 | import glob
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7 | import sys
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8 | try:
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9 | import libxml2
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10 | except:
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11 | sys.exit(1)
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12 | sys.path.insert(0, "..")
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13 | from apibuild import CParser, escape
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14 |
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15 | examples = []
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16 | extras = ['examples.xsl', 'index.html', 'index.py']
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17 | tests = []
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18 | sections = {}
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19 | symbols = {}
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20 | api_dict = None
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21 | api_doc = None
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22 |
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23 | def load_api():
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24 | global api_dict
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25 | global api_doc
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26 |
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27 | if api_dict != None:
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28 | return
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29 | api_dict = {}
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30 | try:
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31 | print "loading ../libxml2-api.xml"
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32 | api_doc = libxml2.parseFile("../libxml2-api.xml")
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33 | except:
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34 | print "failed to parse ../libxml2-api.xml"
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35 | sys.exit(1)
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36 |
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37 | def find_symbol(name):
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38 | global api_dict
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39 | global api_doc
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40 |
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41 | if api_doc == None:
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42 | load_api()
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43 |
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44 | if name == None:
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45 | return
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46 | if api_dict.has_key(name):
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47 | return api_dict[name]
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48 | ctxt = api_doc.xpathNewContext()
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49 | res = ctxt.xpathEval("/api/symbols/*[@name = '%s']" % (name))
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50 | if type(res) == type([]) and len(res) >= 1:
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51 | if len(res) > 1:
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52 | print "Found %d references to %s in the API" % (len(res), name)
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53 | node = res[0]
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54 | typ = node.name
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55 | file = node.xpathEval("string(@file)")
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56 | info = node.xpathEval("string(info)")
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57 | else:
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58 | print "Reference %s not found in the API" % (name)
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59 | return None
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60 | ret = (typ, file, info)
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61 | api_dict[name] = ret
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62 | return ret
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63 |
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64 | def parse_top_comment(filename, comment):
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65 | res = {}
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66 | lines = string.split(comment, "\n")
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67 | item = None
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68 | for line in lines:
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69 | while line != "" and (line[0] == ' ' or line[0] == '\t'):
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70 | line = line[1:]
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71 | while line != "" and line[0] == '*':
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72 | line = line[1:]
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73 | while line != "" and (line[0] == ' ' or line[0] == '\t'):
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74 | line = line[1:]
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75 | try:
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76 | (it, line) = string.split(line, ":", 1)
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77 | item = it
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78 | while line != "" and (line[0] == ' ' or line[0] == '\t'):
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79 | line = line[1:]
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80 | if res.has_key(item):
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81 | res[item] = res[item] + " " + line
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82 | else:
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83 | res[item] = line
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84 | except:
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85 | if item != None:
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86 | if res.has_key(item):
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87 | res[item] = res[item] + " " + line
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88 | else:
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89 | res[item] = line
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90 | return res
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91 |
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92 | def parse(filename, output):
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93 | global symbols
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94 | global sections
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95 |
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96 | parser = CParser(filename)
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97 | parser.collect_references()
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98 | idx = parser.parse()
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99 | info = parse_top_comment(filename, parser.top_comment)
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100 | output.write(" <example filename='%s'>\n" % filename)
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101 | try:
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102 | synopsis = info['synopsis']
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103 | output.write(" <synopsis>%s</synopsis>\n" % escape(synopsis));
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104 | except:
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105 | print "Example %s lacks a synopsis description" % (filename)
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106 | try:
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107 | purpose = info['purpose']
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108 | output.write(" <purpose>%s</purpose>\n" % escape(purpose));
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109 | except:
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110 | print "Example %s lacks a purpose description" % (filename)
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111 | try:
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112 | usage = info['usage']
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113 | output.write(" <usage>%s</usage>\n" % escape(usage));
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114 | except:
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115 | print "Example %s lacks an usage description" % (filename)
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116 | try:
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117 | test = info['test']
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118 | output.write(" <test>%s</test>\n" % escape(test));
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119 | progname=filename[0:-2]
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120 | command=string.replace(test, progname, './' + progname, 1)
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121 | tests.append(command)
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122 | except:
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123 | pass
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124 | try:
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125 | author = info['author']
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126 | output.write(" <author>%s</author>\n" % escape(author));
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127 | except:
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128 | print "Example %s lacks an author description" % (filename)
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129 | try:
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130 | copy = info['copy']
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131 | output.write(" <copy>%s</copy>\n" % escape(copy));
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132 | except:
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133 | print "Example %s lacks a copyright description" % (filename)
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134 | try:
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135 | section = info['section']
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136 | output.write(" <section>%s</section>\n" % escape(section));
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137 | if sections.has_key(section):
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138 | sections[section].append(filename)
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139 | else:
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140 | sections[section] = [filename]
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141 | except:
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142 | print "Example %s lacks a section description" % (filename)
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143 | for topic in info.keys():
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144 | if topic != "purpose" and topic != "usage" and \
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145 | topic != "author" and topic != "copy" and \
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146 | topic != "section" and topic != "synopsis" and topic != "test":
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147 | str = info[topic]
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148 | output.write(" <extra topic='%s'>%s</extra>\n" % (
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149 | escape(topic), escape(str)))
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150 | output.write(" <includes>\n")
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151 | for include in idx.includes.keys():
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152 | if include.find("libxml") != -1:
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153 | output.write(" <include>%s</include>\n" % (escape(include)))
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154 | output.write(" </includes>\n")
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155 | output.write(" <uses>\n")
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156 | for ref in idx.references.keys():
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157 | id = idx.references[ref]
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158 | name = id.get_name()
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159 | line = id.get_lineno()
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160 | if symbols.has_key(name):
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161 | sinfo = symbols[name]
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162 | refs = sinfo[0]
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163 | # gather at most 5 references per symbols
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164 | if refs > 5:
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165 | continue
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166 | sinfo.append(filename)
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167 | sinfo[0] = refs + 1
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168 | else:
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169 | symbols[name] = [1, filename]
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170 | info = find_symbol(name)
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171 | if info != None:
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172 | type = info[0]
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173 | file = info[1]
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174 | output.write(" <%s line='%d' file='%s' name='%s'/>\n" % (type,
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175 | line, file, name))
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176 | else:
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177 | type = id.get_type()
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178 | output.write(" <%s line='%d' name='%s'/>\n" % (type,
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179 | line, name))
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180 |
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181 | output.write(" </uses>\n")
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182 | output.write(" </example>\n")
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183 |
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184 | return idx
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185 |
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186 | def dump_symbols(output):
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187 | global symbols
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188 |
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189 | output.write(" <symbols>\n")
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190 | keys = symbols.keys()
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191 | keys.sort()
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192 | for symbol in keys:
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193 | output.write(" <symbol name='%s'>\n" % (symbol))
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194 | info = symbols[symbol]
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195 | i = 1
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196 | while i < len(info):
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197 | output.write(" <ref filename='%s'/>\n" % (info[i]))
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198 | i = i + 1
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199 | output.write(" </symbol>\n")
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200 | output.write(" </symbols>\n")
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201 |
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202 | def dump_sections(output):
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203 | global sections
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204 |
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205 | output.write(" <sections>\n")
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206 | keys = sections.keys()
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207 | keys.sort()
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208 | for section in keys:
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209 | output.write(" <section name='%s'>\n" % (section))
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210 | info = sections[section]
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211 | i = 0
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212 | while i < len(info):
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213 | output.write(" <example filename='%s'/>\n" % (info[i]))
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214 | i = i + 1
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215 | output.write(" </section>\n")
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216 | output.write(" </sections>\n")
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217 |
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218 | def dump_Makefile():
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219 | for file in glob.glob('*.xml'):
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220 | extras.append(file)
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221 | for file in glob.glob('*.res'):
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222 | extras.append(file)
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223 | Makefile="""##
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224 | ## This file is auto-generated by index.py
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225 | ## DO NOT EDIT !!!
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226 | ##
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227 |
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228 | AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir)/include
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229 | AM_CFLAGS = $(THREAD_CFLAGS) $(Z_CFLAGS)
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230 | LDADD = $(RDL_LIBS) $(STATIC_BINARIES) $(top_builddir)/libxml2.la $(THREAD_LIBS) $(Z_LIBS) $(ICONV_LIBS) -lm $(WIN32_EXTRA_LIBADD)
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231 |
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232 | CLEANFILES = *.tmp
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233 |
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234 | if REBUILD_DOCS
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235 | rebuild: examples.xml index.html
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236 | .PHONY: rebuild
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237 |
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238 | examples.xml: index.py $(noinst_PROGRAMS:=.c)
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239 | cd $(srcdir) && $(PYTHON) index.py
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240 | $(MAKE) Makefile
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241 |
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242 | index.html: examples.xml examples.xsl
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243 | cd $(srcdir) && xsltproc examples.xsl examples.xml && echo "Rebuilt web page"
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244 | -cd $(srcdir) && xmllint --valid --noout index.html
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245 | endif
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246 |
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247 | install-data-local:
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248 | $(MKDIR_P) $(DESTDIR)$(HTML_DIR)
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249 | -$(INSTALL) -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(HTML_DIR)
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250 |
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251 | clean-local:
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252 | test -f Makefile.am || rm -f test?.xml
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253 |
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254 | """
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255 | examples.sort()
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256 | extras.sort()
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257 | tests.sort()
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258 | EXTRA_DIST=""
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259 | for extra in extras:
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260 | EXTRA_DIST = EXTRA_DIST + " \\\n\t" + extra
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261 | Makefile = Makefile + "EXTRA_DIST =%s\n\n" % (EXTRA_DIST)
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262 | noinst_PROGRAMS=""
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263 | for example in examples:
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264 | noinst_PROGRAMS = noinst_PROGRAMS + " \\\n\t" + example
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265 | Makefile = Makefile + "noinst_PROGRAMS =%s\n\n" % (noinst_PROGRAMS)
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266 | for example in examples:
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267 | Makefile = Makefile + "%s_SOURCES = %s.c\n\n" % (example, example)
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268 | Makefile = Makefile + "valgrind: \n\t$(MAKE) CHECKER='valgrind' tests\n\n"
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269 | Makefile = Makefile + "tests: $(noinst_PROGRAMS)\n"
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270 | Makefile = Makefile + "\ttest -f Makefile.am || test -f test1.xml || $(LN_S) $(srcdir)/test?.xml .\n"
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271 | Makefile = Makefile + "\t@(echo '## examples regression tests')\n"
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272 | Makefile = Makefile + "\t@(echo > .memdump)\n"
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273 | for test in tests:
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274 | Makefile = Makefile + "\t$(CHECKER) %s\n" % (test)
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275 | Makefile = Makefile + '\t@grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0" ; exit 0\n'
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276 | try:
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277 | old = open("Makefile.am", "r").read()
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278 | if old != Makefile:
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279 | n = open("Makefile.am", "w").write(Makefile)
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280 | print "Updated Makefile.am"
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281 | except:
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282 | print "Failed to read or save Makefile.am"
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283 | # #
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284 | # # Autogenerate the .cvsignore too ... DEPRECATED
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285 | # #
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286 | # ignore = """.memdump
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287 | #Makefile.in
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288 | #Makefile
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289 | #"""
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290 | # for example in examples:
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291 | # ignore = ignore + "%s\n" % (example)
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292 | # try:
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293 | # old = open(".cvsignore", "r").read()
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294 | # if old != ignore:
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295 | # n = open(".cvsignore", "w").write(ignore)
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296 | # print "Updated .cvsignore"
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297 | # except:
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298 | # print "Failed to read or save .cvsignore"
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299 |
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300 | if __name__ == "__main__":
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301 | load_api()
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302 | output = open("examples.xml", "w")
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303 | output.write("<examples>\n")
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304 |
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305 | for file in glob.glob('*.c'):
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306 | parse(file, output)
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307 | examples.append(file[:-2])
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308 |
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309 | dump_symbols(output)
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310 | dump_sections(output)
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311 | output.write("</examples>\n")
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312 | output.close()
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313 | dump_Makefile()
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314 |
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