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new syntax for internals

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This commit is contained in:
John Alanbrook
2026-02-10 11:03:01 -06:00
parent 6df3b741cf
commit 4deb0e2577
9 changed files with 483 additions and 292 deletions
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96
toml.cm
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@@ -26,23 +26,33 @@ function parse_toml(toml_text) {
var current_section = result
var current_section_name = ''
for (var i = 0; i < length(lines); i++) {
var line = trim(lines[i])
var i = 0
var line = null
var inner = null
var section_path = null
var j = 0
var key = null
var eq_index = null
var key_part = null
var value = null
var unquoted = null
for (i = 0; i < length(lines); i++) {
line = trim(lines[i])
if (line == null) line = lines[i]
// Skip empty lines and comments
if (!line || starts_with(line, '#')) continue
// Section header
if (starts_with(line, '[') && ends_with(line, ']')) {
var inner = text(line, 1, -1)
var section_path = parse_key_path(inner)
inner = text(line, 1, -1)
section_path = parse_key_path(inner)
if (section_path == null) return null
current_section = result
current_section_name = text(section_path, '.')
for (var j = 0; j < length(section_path); j++) {
var key = section_path[j]
for (j = 0; j < length(section_path); j++) {
key = section_path[j]
// Only treat null as "missing"; do not clobber false/0/""
if (current_section[key] == null) {
@@ -58,18 +68,18 @@ function parse_toml(toml_text) {
}
// Key-value pair
var eq_index = search(line, '=')
eq_index = search(line, '=')
if (eq_index != null && eq_index > 0) {
var key_part = trim(text(line, 0, eq_index))
var value = trim(text(line, eq_index + 1))
key_part = trim(text(line, 0, eq_index))
value = trim(text(line, eq_index + 1))
if (key_part == null) key_part = trim(text(line, 0, eq_index))
if (value == null) value = trim(text(line, eq_index + 1))
var key = parse_key(key_part)
key = parse_key(key_part)
if (key == null) return null
if (starts_with(value, '"') && ends_with(value, '"')) {
var unquoted = text(value, 1, -1)
unquoted = text(value, 1, -1)
current_section[key] = toml_unescape(unquoted)
if (current_section[key] == null) return null
} else if (starts_with(value, '[') && ends_with(value, ']')) {
@@ -91,9 +101,9 @@ function parse_toml(toml_text) {
function parse_key(str) {
if (!is_text(str)) return null
var inner = null
if (starts_with(str, '"') && ends_with(str, '"')) {
var inner = text(str, 1, -1)
inner = text(str, 1, -1)
return toml_unescape(inner)
}
return str
@@ -107,12 +117,15 @@ function parse_key_path(str) {
var current = ''
var in_quote = false
for (var i = 0; i < length(str); i++) {
var c = str[i]
var i = 0
var c = null
var piece = null
for (i = 0; i < length(str); i++) {
c = str[i]
if (c == '"' && (i == 0 || str[i - 1] != '\\')) {
in_quote = !in_quote
} else if (c == '.' && !in_quote) {
var piece = trim(current)
piece = trim(current)
if (piece == null) piece = trim(current)
push(parts, parse_key(piece))
current = ''
@@ -140,14 +153,17 @@ function parse_array(str) {
var current = ''
var in_quotes = false
for (var i = 0; i < length(s); i++) {
var ch = s[i]
var i = 0
var ch = null
var piece = null
for (i = 0; i < length(s); i++) {
ch = s[i]
if (ch == '"' && (i == 0 || s[i - 1] != '\\')) {
in_quotes = !in_quotes
current = current + ch
} else if (ch == ',' && !in_quotes) {
var piece = trim(current)
piece = trim(current)
if (piece == null) piece = trim(current)
push(items, parse_value(piece))
current = ''
@@ -181,12 +197,14 @@ function encode_toml(obj) {
var result = []
function encode_value(value) {
var items = null
var i = 0
if (is_text(value)) return '"' + toml_escape(value) + '"'
if (is_logical(value)) return value ? 'true' : 'false'
if (is_number(value)) return text(value)
if (is_array(value)) {
var items = []
for (var i = 0; i < length(value); i++) push(items, encode_value(value[i]))
items = []
for (i = 0; i < length(value); i++) push(items, encode_value(value[i]))
return '[' + text(items, ', ') + ']'
}
return text(value)
@@ -201,29 +219,41 @@ function encode_toml(obj) {
// First pass: encode top-level simple values
var keys = array(obj)
for (var i = 0; i < length(keys); i++) {
var key = keys[i]
var value = obj[key]
var i = 0
var key = null
var value = null
for (i = 0; i < length(keys); i++) {
key = keys[i]
value = obj[key]
if (!is_object(value)) push(result, quote_key(key) + ' = ' + encode_value(value))
}
// Second pass: encode nested objects
function encode_section(o, path) {
var keys = array(o)
for (var i = 0; i < length(keys); i++) {
var key = keys[i]
var value = o[key]
var i = 0
var key = null
var value = null
var quoted = null
var section_path = null
var section_keys = null
var j = 0
var sk = null
var sv = null
for (i = 0; i < length(keys); i++) {
key = keys[i]
value = o[key]
if (is_object(value)) {
var quoted = quote_key(key)
var section_path = path ? path + '.' + quoted : quoted
quoted = quote_key(key)
section_path = path ? path + '.' + quoted : quoted
push(result, '[' + section_path + ']')
// Direct properties
var section_keys = array(value)
for (var j = 0; j < length(section_keys); j++) {
var sk = section_keys[j]
var sv = value[sk]
section_keys = array(value)
for (j = 0; j < length(section_keys); j++) {
sk = section_keys[j]
sv = value[sk]
if (!is_object(sv)) push(result, quote_key(sk) + ' = ' + encode_value(sv))
}