section_config: further parser improvements

This commit is contained in:
Dietmar Maurer 2018-11-26 18:22:07 +01:00
parent 0d97734e92
commit b943ed8d2b

View File

@ -16,9 +16,9 @@ pub struct SectionConfig {
parse_section_header: fn(&str) -> Option<(String, String)>,
}
enum ParseState {
enum ParseState<'a> {
BeforeHeader,
InsideSection,
InsideSection(&'a SectionConfigPlugin),
}
impl SectionConfig {
@ -34,9 +34,6 @@ impl SectionConfig {
let mut line_no = 0;
//let error_prefix = format!("file '{}' line {}", filename, line_no);
const ERROR_FORMAT: &str = "file '{}' line {} - {}";
let mut state = ParseState::BeforeHeader;
for line in raw.lines() {
@ -52,12 +49,17 @@ impl SectionConfig {
if let Some((section_type, section_id)) = (self.parse_section_header)(line) {
println!("OKLINE: type: {} ID: {}", section_type, section_id);
state = ParseState::InsideSection;
if let Some(ref plugin) = self.plugins.get(&section_type) {
state = ParseState::InsideSection(plugin);
} else {
bail!("file '{}' line {} - unknown section type '{}'",
filename, line_no, section_type);
}
} else {
println!("file '{}' line {} - {}", filename, line_no, "syntax error - expected header");
bail!("file '{}' line {} - syntax error (expected header)", filename, line_no);
}
}
ParseState::InsideSection => {
ParseState::InsideSection(plugin) => {
if line.trim().is_empty() {
// finish section
@ -69,7 +71,7 @@ impl SectionConfig {
}
}
if let ParseState::InsideSection = state {
if let ParseState::InsideSection(plugin) = state {
// finish section
}
@ -133,7 +135,7 @@ lvmthin: local-lvm
content rootdir,images
";
config.parse(filename, &raw);
let res = config.parse(filename, &raw);
println!("RES: {:?}", res);
}