139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
package main
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import (
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"encoding/xml"
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"io/ioutil"
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"log"
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)
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type XML struct {
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// Root 'xcb' element properties.
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XMLName xml.Name `xml:"xcb"`
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Header string `xml:"header,attr"`
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ExtensionXName string `xml:"extension-xname,attr"`
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ExtensionName string `xml:"extension-name,attr"`
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MajorVersion string `xml:"major-version,attr"`
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MinorVersion string `xml:"minor-version,attr"`
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// Types for all top-level elements.
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// First are the simple ones.
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Imports XMLImports `xml:"import"`
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Enums []*XMLEnum `xml:"enum"`
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Xids []*XMLXid `xml:"xidtype"`
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XidUnions []*XMLXid `xml:"xidunion"`
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TypeDefs []*XMLTypeDef `xml:"typedef"`
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EventCopies []*XMLEventCopy `xml:"eventcopy"`
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ErrorCopies []*XMLErrorCopy `xml:"errorcopy"`
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// Here are the complex ones, i.e., anything with "structure contents"
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Structs []*XMLStruct `xml:"struct"`
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Unions []*XMLUnion `xml:"union"`
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Requests []*XMLRequest `xml:"request"`
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Events []*XMLEvent `xml:"event"`
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Errors []*XMLError `xml:"error"`
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}
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type XMLImports []*XMLImport
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func (imports XMLImports) Eval() {
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for _, imp := range imports {
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xmlBytes, err := ioutil.ReadFile(*protoPath + "/" + imp.Name + ".xml")
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if err != nil {
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log.Fatalf("Could not read X protocol description for import "+
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"'%s' because: %s", imp.Name, err)
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}
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imp.xml = &XML{}
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err = xml.Unmarshal(xmlBytes, imp.xml)
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if err != nil {
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log.Fatal("Could not parse X protocol description for import "+
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"'%s' because: %s", imp.Name, err)
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}
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// recursive imports...
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imp.xml.Imports.Eval()
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}
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}
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type XMLImport struct {
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Name string `xml:",chardata"`
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xml *XML `xml:"-"`
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}
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type XMLEnum struct {
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Name string `xml:"name,attr"`
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Items []*XMLEnumItem `xml:"item"`
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}
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type XMLEnumItem struct {
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Name string `xml:"name,attr"`
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Expr *XMLExpression `xml:",any"`
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}
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type XMLXid struct {
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XMLName xml.Name
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Name string `xml:"name,attr"`
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}
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type XMLTypeDef struct {
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Old string `xml:"oldname,attr"`
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New string `xml:"newname,attr"`
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}
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type XMLEventCopy struct {
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Name string `xml:"name,attr"`
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Number int `xml:"number,attr"`
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Ref string `xml:"ref,attr"`
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}
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type XMLErrorCopy struct {
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Name string `xml:"name,attr"`
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Number int `xml:"number,attr"`
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Ref string `xml:"ref,attr"`
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}
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type XMLStruct struct {
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Name string `xml:"name,attr"`
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Fields []*XMLField `xml:",any"`
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}
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type XMLUnion struct {
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Name string `xml:"name,attr"`
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Fields []*XMLField `xml:",any"`
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}
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type XMLRequest struct {
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Name string `xml:"name,attr"`
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Opcode int `xml:"opcode,attr"`
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Combine bool `xml:"combine-adjacent,attr"`
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Fields []*XMLField `xml:",any"`
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Reply *XMLReply `xml:"reply"`
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}
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type XMLReply struct {
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Fields []*XMLField `xml:",any"`
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}
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type XMLEvent struct {
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Name string `xml:"name,attr"`
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Number int `xml:"number,attr"`
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NoSequence bool `xml:"no-sequence-number,attr"`
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Fields []*XMLField `xml:",any"`
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}
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type XMLError struct {
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Name string `xml:"name,attr"`
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Number int `xml:"number,attr"`
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Fields []*XMLField `xml:",any"`
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}
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type XMLExpression struct {
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XMLName xml.Name
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Exprs []*XMLExpression `xml:",any"`
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Data string `xml:",chardata"`
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Op string `xml:"op,attr"`
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Ref string `xml:"ref,attr"`
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}
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