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-rw-r--r--formatter/formatter.go8
-rw-r--r--gsp.569
-rw-r--r--parser/parser.go14
3 files changed, 38 insertions, 53 deletions
diff --git a/formatter/formatter.go b/formatter/formatter.go
index 157b0ab..af84ec3 100644
--- a/formatter/formatter.go
+++ b/formatter/formatter.go
@@ -42,6 +42,8 @@ func PrintAst(ast parser.AstNode) {
}
case parser.Tagless:
printChildren(ast.Children)
+ case parser.TaglessTrim:
+ printChildrenTrim(ast.Children)
}
}
@@ -93,6 +95,12 @@ func printText(s string) {
}
func printChildren(nodes []parser.AstNode) {
+ for _, n := range nodes {
+ PrintAst(n)
+ }
+}
+
+func printChildrenTrim(nodes []parser.AstNode) {
for i, n := range nodes {
if i == 0 && n.Type == parser.Text {
n.Text = trimLeftSpaces(n.Text)
diff --git a/gsp.5 b/gsp.5
index c7c7651..902dade 100644
--- a/gsp.5
+++ b/gsp.5
@@ -195,55 +195,6 @@ p {-
}
.Ed
.Ss Whitespace control
-The typical behavior of
-.Nm
-is to compact whitespace.
-Here you can see a before-and-after of transpilation:
-.Bd -literal -offset indent
-Before
-
-foo {
- bar{- Hello World }
- baz{-Hello World}
-}
-.Ed
-.Bd -literal -offset indent
-After
-
-<foo><bar>Hello World</bar><baz>Hello World</baz></foo>
-.Ed
-.Pp
-One exception to this use is when using embedded nodes.
-If your literal text contains an embedded node, then whitespace around the node
-is preserved:
-.Bd -literal -offset indent
-Before
-
-foo {-
- Hello @bar{-there} world!
-}
-.Ed
-.Bd -literal -offset indent
-After
-
-<foo>Hello <bar>there</bar> world!</foo>
-.Ed
-.Pp
-Therefore if you would like to remove the whitespace when working with literal
-text, you need to manually compact your document:
-.Bd -literal -offset indent
-Before
-
-foo {-
- Hello@bar{-there}world!
-}
-.Ed
-.Bd -literal -offset indent
-After
-
-<foo>Hello<bar>there</bar>world!</foo>
-.Ed
-.Pp
Sometimes it is also useful to have a newline between nodes, especially when
working with
.Sq code
@@ -269,6 +220,26 @@ After
<code>bar</code>
<code>baz</code></pre>
.Ed
+.Pp
+Additionally, sometimes when using literal text with the
+.Sq -
+special node name, it can be nice to have a way to trim whitespace around the
+text without having to minify your markup.
+To achieve this, you can use the special equals
+.Pq Sq =
+node name:
+.Bd -literal -offset indent
+Before
+
+>foo {- Hello World }
+ bar {= Hello World }
+.Ed
+.Bd -literal -offset indent
+After
+
+<foo> Hello World </foo>
+<bar>Hello World</bar>
+.Ed
.Sh SEE ALSO
.Xr gsp 1
.Pp
diff --git a/parser/parser.go b/parser/parser.go
index f55a135..0fc0037 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -14,6 +14,7 @@ type nodeType uint
const (
Normal nodeType = iota
Tagless
+ TaglessTrim
Text
)
@@ -66,8 +67,8 @@ func (reader *reader) parseNode() (node AstNode, err error) {
}
switch r {
- case '-':
- return reader.parseText()
+ case '-', '=':
+ return reader.parseText(r == '=')
case '>':
node.Newline = true
if _, err = reader.readRune(); err != nil {
@@ -153,13 +154,18 @@ func (reader *reader) parseNodeName() (string, error) {
return sb.String(), nil
}
-func (reader *reader) parseText() (AstNode, error) {
+func (reader *reader) parseText(trim bool) (AstNode, error) {
if _, err := reader.readRune(); err != nil {
return AstNode{}, err
}
sb := strings.Builder{}
- node := AstNode{Type: Tagless}
+ node := AstNode{}
+ if trim {
+ node.Type = TaglessTrim
+ } else {
+ node.Type = Tagless
+ }
loop:
for {