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starting stuff

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This commit is contained in:
conzer 2024-12-07 13:44:53 -05:00
parent 8a66ea7971
commit ed3c7d4278
7 changed files with 121 additions and 10 deletions
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1
compiler/compiler.go
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@ -61,6 +61,7 @@ func Compile(elements []parser.Element, variables map[string]string, outputFile
func writeElements(elements []parser.Element, file *os.File, variables map[string]string) error { func writeElements(elements []parser.Element, file *os.File, variables map[string]string) error {
for _, element := range elements { for _, element := range elements {
if element.Name == "head" { if element.Name == "head" {
_, err := file.WriteString(fmt.Sprintf("<head>\n")) _, err := file.WriteString(fmt.Sprintf("<head>\n"))
if err != nil { if err != nil {

10
examples/header.hy
View file

@ -1,9 +1,5 @@
<hylia> <hylia>
<element name="body"> <class name="hi">
I am in the body element. <h1>test hello</h1>
</element> </class>
<p>I am not in the body element.</p>
<element name="outside">
I am outside the body element, but inside the outside element.
</element>
</hylia> </hylia>

2
examples/main.hy
View file

@ -1,9 +1,11 @@
<hylia> <hylia>
<import src="header.hy" />
<element name="head"> <element name="head">
<title>Hello Hylia!</title> <title>Hello Hylia!</title>
</element> </element>
<var name="testvar"><h1>Hello!</h1><br><h2>Hello again!</h2></var> <var name="testvar"><h1>Hello!</h1><br><h2>Hello again!</h2></var>
<element name="body"> <element name="body">
<hi />
<h1>Hello Hylia!</h1> <h1>Hello Hylia!</h1>
<p>This is an example content.</p> <p>This is an example content.</p>
{{testvar}} {{testvar}}

9
examples/output.htm
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@ -1,7 +1,12 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head>
<title>Hello Hylia!</title>
</head>
<body> <body>
I am in the body element. <hi />
<h1>Hello Hylia!</h1>
<p>This is an example content.</p>
<h1>Hello!</h1><br><h2>Hello again!</h2>
</body> </body>
I am outside the body element, but inside the outside element.
</html> </html>

BIN
hylia Executable file
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35
importer/import.go Normal file
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@ -0,0 +1,35 @@
package importer
import (
"errors"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
)
type Class struct {
Name string
Content string
FilePath string
}
func ImportClasses(filePath string) (map[string]Class, error) {
content, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, fmt.Errorf("error reading file '%s': %w", filePath, err)
}
classes := make(map[string]Class)
lines := strings.Split(string(content), "\n")
var currentClass *Class
var nestedContent strings.Builder
for _, line := range lines {
line = strings.TrimSpace(line)
if strings.HasPrefix(line, "<class") {
name := extractAttributeValue(line, "name")
}
}
}

74
parser/parser.go
View file

@ -5,6 +5,7 @@ import (
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"strings" "strings"
"path/filepath"
) )
// THE HYLIA PARSER // THE HYLIA PARSER
@ -28,14 +29,52 @@ func ParseFile(filename string) ([]Element, map[string]string, error) {
if err != nil { if err != nil {
return nil, nil, fmt.Errorf("failed to parse elements: %w", err) return nil, nil, fmt.Errorf("failed to parse elements: %w", err)
} }
importedElements := []Element{}
importedVariables := map[string]string{}
for _, element := range elements {
if element.Name == "import" {
importPath := extractAttributeValue("import", "src")
if importPath == "" {
return nil, nil, fmt.Errorf("Import is missing a source ('src' attribute)")
}
importFullPath := resolvePath(filename, importPath)
childElements, childVariables, err := ParseFile(importFullPath)
if err != nil {
return nil, nil, fmt.Errorf("failed to parse elements: %w", err)
}
importedElements = append(importedElements, childElements...)
for k, v := range childVariables {
importedVariables[k] = v
}
}
}
for k, v := range importedVariables {
if _, exists := variables[k]; !exists {
variables[k] = v
}
}
elements = append(importedElements, elements...)
return elements, variables, nil return elements, variables, nil
} }
func resolvePath(basePath, relativePath string) string {
dir := filepath.Dir(basePath)
return filepath.Join(dir, relativePath)
}
func parseElements(content, filename string) ([]Element, map[string]string, error) { func parseElements(content, filename string) ([]Element, map[string]string, error) {
elements := []Element{} elements := []Element{}
variables := make(map[string]string) variables := make(map[string]string)
classes := make(map[string]Element)
lines := strings.Split(content, "\n") lines := strings.Split(content, "\n")
var currentElement *Element var currentElement *Element
@ -80,7 +119,40 @@ func parseElements(content, filename string) ([]Element, map[string]string, erro
nestedContent.Reset() nestedContent.Reset()
currentElement = nil currentElement = nil
} }
} else { } else if strings.HasPrefix(line, "<class") {
if currentElement != nil {
currentElement.Content = nestedContent.String()
parsedNested, nestedVars, _ := parseElements(nestedContent.String(), filename)
currentElement.NestedElements = parsedNested
mergeVariables(variables, nestedVars)
elements = append(elements, *currentElement)
nestedContent.Reset()
currentElement = nil
}
name := extractAttributeValue(line, "name")
if name == "" {
return nil, nil, errors.New("class is missing a name ('name' attribute)")
}
currentElement = &Element{Name: name, FilePath: filename}
} else if strings.HasPrefix(line, "</class>") {
if currentElement != nil {
currentElement.Content = nestedContent.String()
parsedNested, nestedVars, _ := parseElements(nestedContent.String(), filename)
currentElement.NestedElements = parsedNested
mergeVariables(variables, nestedVars)
if classes == nil {
classes = make(map[string]Element)
}
classes[currentElement.Name] = *currentElement
nestedContent.Reset()
currentElement = nil
}
} else {
if currentElement != nil { if currentElement != nil {
nestedContent.WriteString(line + "\n") nestedContent.WriteString(line + "\n")
} }