#include "arg.h"
#include "common.h"
#include <clocale>
#include <fstream>
#include <sstream>
#include <string>
// Export usage message (-h) to markdown format
// Automatically update the markdown docs
#define HELP_START_MARKER "<!-- HELP_START -->"
#define HELP_END_MARKER "<!-- HELP_END -->"
#define NOTE_MESSAGE "<!-- IMPORTANT: The list below is auto-generated by llama-gen-docs; do NOT modify it manually -->"
struct md_file {
llama_example ex;
std::string fname;
std::string specific_section_header;
};
std::vector<md_file> md_files = {
{LLAMA_EXAMPLE_CLI, "tools/cli/README.md", "CLI-specific params"},
{LLAMA_EXAMPLE_COMPLETION, "tools/completion/README.md", "Completion-specific params"},
{LLAMA_EXAMPLE_SERVER, "tools/server/README.md", "Server-specific params"},
};
static void write_table_header(std::ostringstream & ss) {
ss << "| Argument | Explanation |\n";
ss << "| -------- | ----------- |\n";
}
static void write_table_entry(std::ostringstream & ss, const common_arg & opt) {
ss << "| `";
// args
auto all_args = opt.get_args();
for (const auto & arg : all_args) {
if (arg == all_args.front()) {
ss << arg;
if (all_args.size() > 1) ss << ", ";
} else {
ss << arg << (arg != all_args.back() ? ", " : "");
}
}
// value hint
if (opt.value_hint) {
std::string md_value_hint(opt.value_hint);
string_replace_all(md_value_hint, "|", "\\|");
ss << " " << md_value_hint;
}
if (opt.value_hint_2) {
std::string md_value_hint_2(opt.value_hint_2);
string_replace_all(md_value_hint_2, "|", "\\|");
ss << " " << md_value_hint_2;
}
// help text
std::string md_help(opt.help);
md_help = string_strip(md_help);
string_replace_all(md_help, "\n", "<br/>");
string_replace_all(md_help, "|", "\\|");
ss << "` | " << md_help << " |\n";
}
static void write_table(std::ostringstream & ss, std::vector<common_arg *> & opts) {
write_table_header(ss);
for (const auto & opt : opts) {
write_table_entry(ss, *opt);
}
}
static void write_help(std::ostringstream & ss, const md_file & md) {
common_params params;
params.is_gen_docs = true;
auto ctx_arg = common_params_parser_init(params, md.ex);
std::vector<common_arg *> common_options;
std::vector<common_arg *> sampling_options;
std::vector<common_arg *> specific_options;
for (auto & opt : ctx_arg.options) {
// in case multiple LLAMA_EXAMPLE_* are set, we prioritize the LLAMA_EXAMPLE_* matching current example
if (opt.is_sampling) {
sampling_options.push_back(&opt);
} else if (opt.in_example(ctx_arg.ex)) {
specific_options.push_back(&opt);
} else {
common_options.push_back(&opt);
}
}
ss << HELP_START_MARKER << "\n\n";
ss << NOTE_MESSAGE << "\n\n";
ss << "### Common params\n\n";
write_table(ss, common_options);
ss << "\n\n### Sampling params\n\n";
write_table(ss, sampling_options);
ss << "\n\n### " << md.specific_section_header << "\n\n";
write_table(ss, specific_options);
ss << "\n" << HELP_END_MARKER;
}
int main(int, char **) {
std::setlocale(LC_NUMERIC, "C");
for (const auto & md : md_files) {
std::ifstream infile(md.fname);
if (!infile.is_open()) {
fprintf(stderr, "failed to open file '%s' for reading\n", md.fname.c_str());
return 1;
}
std::ostringstream ss;
ss << infile.rdbuf();
infile.close();
std::string content = ss.str();
size_t help_start = content.find(HELP_START_MARKER);
size_t help_end = content.find(HELP_END_MARKER);
if (help_start == std::string::npos || help_end == std::string::npos || help_end <= help_start) {
fprintf(stderr, "failed to find help markers in file '%s'\n", md.fname.c_str());
return 1;
}
std::ostringstream new_help_ss;
write_help(new_help_ss, md);
std::string new_help = new_help_ss.str();
content = content.substr(0, help_start) + new_help + content.substr(help_end + strlen(HELP_END_MARKER));
std::ofstream outfile(md.fname);
if (!outfile.is_open()) {
fprintf(stderr, "failed to open file '%s' for writing\n", md.fname.c_str());
return 1;
}
outfile << content;
outfile.close();
printf("Updated help in '%s'\n", md.fname.c_str());
}
return 0;
}