127 lines
3.4 KiB
Plaintext
127 lines
3.4 KiB
Plaintext
// cell help - Display help information for cell commands
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var fd = use('fd')
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var package = use('package')
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var shop = use('internal/shop')
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var command = length(args) > 0 ? args[0] : null
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var core_dir = shop.get_package_dir('core')
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var man_file = null
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var stat = null
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var content = null
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var lines = null
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var line = null
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var block = null
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var ce_path = null
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var i = 0
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var programs = null
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var top_level = []
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var descriptions = []
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var max_len = 0
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var first_line = null
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var desc = null
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var sep = null
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var padding = null
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var j = 0
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// Display specific command help
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if (command) {
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man_file = 'scripts/man/' + command + '.man'
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stat = fd.stat(man_file)
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if (stat && stat.isFile) {
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content = text(fd.slurp(man_file))
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log.console(content)
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} else {
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ce_path = core_dir + '/' + command + '.ce'
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stat = fd.stat(ce_path)
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if (stat && stat.isFile) {
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content = text(fd.slurp(ce_path))
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lines = array(content, '\n')
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block = ""
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for (i = 0; i < length(lines); i++) {
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line = lines[i]
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if (starts_with(line, '// ')) {
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block = block + text(line, 3, length(line)) + '\n'
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} else if (line == '//') {
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block = block + '\n'
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} else if (starts_with(line, '//')) {
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block = block + text(line, 2, length(line)) + '\n'
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} else {
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i = length(lines)
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}
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}
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if (length(block) > 0) {
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log.console(trim(block))
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} else {
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log.error("No help available for command: " + command)
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log.console("Run 'cell help' to see available commands.")
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}
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} else {
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log.error("No help available for command: " + command)
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log.console("Run 'cell help' to see available commands.")
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}
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}
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} else {
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// Display general help — dynamic listing
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programs = sort(package.list_programs('core'))
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for (i = 0; i < length(programs); i++) {
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if (search(programs[i], '/') == null) {
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top_level[] = programs[i]
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}
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}
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for (i = 0; i < length(top_level); i++) {
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ce_path = core_dir + '/' + top_level[i] + '.ce'
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desc = ""
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stat = fd.stat(ce_path)
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if (stat && stat.isFile) {
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content = text(fd.slurp(ce_path))
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lines = array(content, '\n')
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first_line = length(lines) > 0 ? lines[0] : ""
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if (starts_with(first_line, '//')) {
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if (starts_with(first_line, '// ')) {
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first_line = text(first_line, 3, length(first_line))
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} else {
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first_line = text(first_line, 2, length(first_line))
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}
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sep = search(first_line, ' - ')
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if (sep != null) {
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desc = text(first_line, sep + 3, length(first_line))
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} else {
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sep = search(first_line, ' — ')
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if (sep != null) {
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desc = text(first_line, sep + 3, length(first_line))
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} else {
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desc = first_line
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}
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}
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}
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}
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descriptions[] = desc
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if (length(top_level[i]) > max_len) {
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max_len = length(top_level[i])
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}
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}
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log.console("cell - the cell package manager")
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log.console("")
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log.console("usage: cell <command> [arguments]")
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log.console("")
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log.console("available commands:")
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for (i = 0; i < length(top_level); i++) {
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padding = ""
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for (j = 0; j < max_len - length(top_level[i]); j++) {
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padding = padding + " "
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}
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if (length(descriptions[i]) > 0) {
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log.console(" " + top_level[i] + padding + " " + descriptions[i])
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} else {
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log.console(" " + top_level[i])
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}
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}
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log.console("")
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log.console("Run 'cell help <command>' for more information.")
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}
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$$stop()
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