stamd

Static Markdown Page Generator

git clone git://git.dimitrijedobrota.com/stamd.git

commit	b014ac73d73be5ae8a85f2ff3d43ff07134e6714
parent	4f9cded954e4bcb29d9dce3b9b24f461e9e6755f
author	Dimitrije Dobrota <mail@dimitrijedobrota.com>
date	Thu, 27 Jun 2024 01:01:03 +0200

Separate indexing class supporting cmd line args

Diffstat:

M	CMakeLists.txt	\|	+-
M	source/article.cpp	\|	++++++----
M	source/article.hpp	\|	++++
D	source/index.cpp	\|	---------------------------------------------------------------------------------
D	source/index.hpp	\|	------------------------------
A	source/indexer.cpp	\|	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A	source/indexer.hpp	\|	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M	source/main.cpp	\|	++++++++++++++++++++++++++++++++++++++++++++----------------------------

8 files changed, 322 insertions(+), 265 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt

@@ -25,7 +25,7 @@ find_package(hemplate 0.1 CONFIG REQUIRED)

add_library(

stamd_lib OBJECT

source/article.cpp

source/index.cpp

source/indexer.cpp

)

target_link_libraries(stamd_lib PUBLIC hemplate::hemplate)

diff --git a/source/article.cpp b/source/article.cpp

@@ -9,12 +9,14 @@

#include "utility.hpp"

namespace stamd {

std::optional<std::string> article::get(const std::string& key) const

{

const auto itr = m_symbols.find(key);

if (itr == end(m_symbols))

{

std::cerr << "Warning: getting invalid value for: " << key << std::endl;

// std::cerr << "Warning: getting invalid value for: " << key << std::endl;

return {};

}

return itr->second;

@@ -158,9 +160,9 @@ void article::write_footer(std::ostream& ost) const

}

ost << html::div();

ost << html::script(" ")

.set("type", "text/javascript")

.set("src", "/scripts/main.js");

ost << html::script(" ").set("src", "/scripts/main.js");

ost << html::body();

ost << html::html();

}

} // namespace stamd

diff --git a/source/article.hpp b/source/article.hpp

@@ -6,6 +6,8 @@

#include <unordered_map>

#include <vector>

namespace stamd {

class article

{

public:

@@ -52,3 +54,5 @@ private:

categories_t m_categories;

symbols_t m_symbols;

};

} // namespace stamd

diff --git a/source/index.cpp b/source/index.cpp

@@ -1,202 +0,0 @@

#include <algorithm>

#include <chrono>

#include <format>

#include <fstream>

#include <numeric>

#include <sstream>

#include "index.hpp"

#include <hemplate/attribute.hpp>

#include <hemplate/classes.hpp>

namespace stamd {

std::tm get_time(const std::string& date)

{

int year = 0;

int month = 0;

int day = 0;

std::sscanf(date.c_str(), "%d-%d-%d", &year, &month, &day);

tm time = {

.tm_sec = 0,

.tm_min = 0,

.tm_hour = 0,

.tm_mday = day,

.tm_mon = month - 1,

.tm_year = year - 1900,

};

return time;

}

#define rfc882_f "{:%a, %d %b %Y %H:%M:%S %z}" // NOLINT

#define rfc3339_f "{:%FT%H:%M:%SZ}" // NOLINT

std::string to_rfc882(const std::string& date)

{

using namespace std::chrono; // NOLINT

tm time = get_time(date);

const auto tmp = std::mktime(&time);

const auto chrono_time =

time_point_cast<seconds>(system_clock::from_time_t(tmp));

return std::format(rfc882_f, chrono_time);

}

std::string to_rfc3339(const std::string& date)

{

using namespace std::chrono; // NOLINT

tm time = get_time(date);

const auto tmp = std::mktime(&time);

const auto chrono_time =

time_point_cast<seconds>(system_clock::from_time_t(tmp));

return std::format(rfc3339_f, chrono_time);

}

std::shared_ptr<article> create_index(std::ostream& ost,

const std::string& name,

const article_list& articles,

const categories_t& categories)

{

using namespace hemplate; // NOLINT

auto index = std::make_shared<article>(name, categories);

index->write_header(ost);

ost << html::h1(name);

ost << html::ul().set("class", "index");

for (const auto& article : articles)

{

if (article->is_hidden()) continue;

const auto& filename = article->get_filename();

const auto& title = article->get_title();

const auto& date = article->get_date();

ost << html::li()

.add(html::span(std::format("{} -&nbsp", date)))

.add(html::a(title).set("href", filename));

};

ost << html::ul();

index->write_footer(ost);

return index;

}

void create_atom(std::ostream& ost,

const std::string& name,

const article_list& articles)

{

using namespace hemplate; // NOLINT

static const char* base = "https://dimitrijedobrota.com/blog";

static const char* loc = "https://dimitrijedobrota.com/blog/atom.xml";

static const char* summary = "Click on the article link to read...";

auto const time =

std::chrono::current_zone()->to_local(std::chrono::system_clock::now());

ost << xml();

ost << atom::feed();

ost << atom::title(name);

ost << atom::id(base);

ost << atom::updated(std::format(rfc3339_f, time));

ost << atom::author().add(atom::name(name));

ost << atom::link(" ", {{"rel", "self"}, {"href", loc}});

ost << atom::link(

" ", {{"href", base}, {"rel", "alternate"}, {"type", "text/html"}});

for (const auto& article : articles)

{

const auto filename = article->get_filename();

const auto title = article->get_title();

const auto date = article->get_date();

const auto path = std::format("{}/{}", base, filename);

ost << atom::entry()

.add(atom::title(title))

.add(atom::id(path))

.add(atom::link(" ").set("href", path))

.add(atom::updated(to_rfc3339(date)))

.add(atom::summary(summary));

}

ost << atom::feed();

}

void create_rss(std::ostream& ost,

const std::string& name,

const article_list& articles)

{

using namespace hemplate; // NOLINT

static const char* author = "Dimitrije Dobrota";

static const char* email = "mail@dimitrijedobrota.com";

static const char* base = "https://dimitrijedobrota.com/blog";

static const char* description = "Contents of Dimitrije Dobrota's webpage";

static const char* loc = "https://dimitrijedobrota.com/blog/rss.xml";

ost << xml();

ost << rss::rss();

ost << rss::channel();

ost << rss::title(name);

ost << rss::link(base);

ost << rss::description(description);

ost << rss::generator("stamd");

ost << rss::language("en-us");

ost << rss::atomLink().set("href", loc);

for (const auto& article : articles)

{

const auto filename = article->get_filename();

const auto date = article->get_date();

ost << rss::item()

.add(rss::title(filename))

.add(rss::link(std::format("{}/{}", base, filename)))

.add(rss::guid(std::format("{}/{}", base, filename)))

.add(rss::pubDate(to_rfc882(date)))

.add(rss::author(std::format("{} ({})", email, author)));

}

ost << rss::channel();

ost << rss::rss();

}

void create_sitemap(std::ostream& ost, const article_list& articles)

{

using namespace hemplate; // NOLINT

static const char* base = "https://dimitrijedobrota.com/blog";

ost << xml();

ost << sitemap::urlset();

for (const auto& article : articles)

{

const auto& name = article->get_filename();

const auto& date = article->get_date();

ost << sitemap::url()

.add(sitemap::loc(std::format("{}/{}.html", base, name)))

.add(sitemap::lastmod(date));

}

ost << sitemap::urlset();

}

void create_robots(std::ostream& ost)

{

static const char* base = "https://dimitrijedobrota.com/blog";

ost << "User-agent: *";

ost << std::format("Sitemap: {}/sitemap.xml", base);

}

} // namespace stamd

diff --git a/source/index.hpp b/source/index.hpp

@@ -1,30 +0,0 @@

#pragma once

#include <memory>

#include <string>

#include "article.hpp"

namespace stamd {

using article_list = std::vector<std::shared_ptr<article>>;

using categories_t = article::categories_t;

void create_robots(std::ostream& ost);

void create_sitemap(std::ostream& ost, const article_list& articles);

void create_atom(std::ostream& ost,

const std::string& name,

const article_list& articles);

void create_rss(std::ostream& ost,

const std::string& name,

const article_list& articles);

std::shared_ptr<article> create_index(std::ostream& ost,

const std::string& name,

const article_list& articles,

const categories_t& categories);

} // namespace stamd

diff --git a/source/indexer.cpp b/source/indexer.cpp

@@ -0,0 +1,210 @@

#include <algorithm>

#include <chrono>

#include <format>

#include <fstream>

#include <numeric>

#include <sstream>

#include "indexer.hpp"

#include <hemplate/attribute.hpp>

#include <hemplate/classes.hpp>

namespace stamd {

indexer::article_s& indexer::add(const article_s& article)

{

m_articles.emplace_back(article);

return m_articles.back();

}

void indexer::sort()

{

std::sort(begin(m_articles),

end(m_articles),

[](const auto& lft, const auto& rht)

{ return lft->get_date() > rht->get_date(); });

}

std::tm get_time(const std::string& date)

{

int year = 0;

int month = 0;

int day = 0;

std::sscanf(date.c_str(), "%d-%d-%d", &year, &month, &day);

tm time = {

.tm_sec = 0,

.tm_min = 0,

.tm_hour = 0,

.tm_mday = day,

.tm_mon = month - 1,

.tm_year = year - 1900,

};

return time;

}

#define rfc882_f "{:%a, %d %b %Y %H:%M:%S %z}" // NOLINT

#define rfc3339_f "{:%FT%H:%M:%SZ}" // NOLINT

std::string to_rfc882(const std::string& date)

{

using namespace std::chrono; // NOLINT

tm time = get_time(date);

const auto tmp = std::mktime(&time);

const auto chrono_time =

time_point_cast<seconds>(system_clock::from_time_t(tmp));

return std::format(rfc882_f, chrono_time);

}

std::string to_rfc3339(const std::string& date)

{

using namespace std::chrono; // NOLINT

tm time = get_time(date);

const auto tmp = std::mktime(&time);

const auto chrono_time =

time_point_cast<seconds>(system_clock::from_time_t(tmp));

return std::format(rfc3339_f, chrono_time);

}

void indexer::create_index(std::ostream& ost,

const std::string& name,

const categories_t& categories)

{

using namespace hemplate; // NOLINT

auto index = std::make_shared<stamd::article>(name, categories);

index->write_header(ost);

ost << html::h1(name);

ost << html::ul().set("class", "index");

for (const auto& article : m_articles)

{

if (article->is_hidden()) continue;

const auto& filename = article->get_filename();

const auto& title = article->get_title();

const auto& date = article->get_date();

ost << html::li()

.add(html::span(date + " -&nbsp"))

.add(html::a(title).set("href", filename));

};

ost << html::ul();

index->write_footer(ost);

add(index);

}

void indexer::create_atom(std::ostream& ost, const std::string& name) const

{

using namespace hemplate; // NOLINT

const std::string& base_url = m_options.base_url;

auto const time =

std::chrono::current_zone()->to_local(std::chrono::system_clock::now());

ost << xml();

ost << atom::feed();

ost << atom::title(name);

ost << atom::id(base_url);

ost << atom::updated(std::format(rfc3339_f, time));

ost << atom::author().add(atom::name(name));

ost << atom::link(" ",

{{"rel", "self"}, {"href", base_url + "blog/atom.xml"}});

ost << atom::link(

" ", {{"href", base_url}, {"rel", "alternate"}, {"type", "text/html"}});

for (const auto& article : m_articles)

{

const auto filename = article->get_filename();

const auto title = article->get_title();

const auto date = article->get_date();

const auto summary = article->get("summary").value_or(m_options.summary);

ost << atom::entry()

.add(atom::title(title))

.add(atom::id(base_url + filename))

.add(atom::link(" ").set("href", base_url + filename))

.add(atom::updated(to_rfc3339(date)))

.add(atom::summary(summary));

}

ost << atom::feed();

}

void indexer::create_rss(std::ostream& ost, const std::string& name) const

{

using namespace hemplate; // NOLINT

const std::string& base_url = m_options.base_url;

const std::string& description = m_options.description;

ost << xml();

ost << rss::rss();

ost << rss::channel();

ost << rss::title(name);

ost << rss::link(base_url);

ost << rss::description(description);

ost << rss::generator("stamd");

ost << rss::language("en-us");

ost << rss::atomLink().set("href", base_url + "blog/rss.xml");

for (const auto& article : m_articles)

{

const auto filename = article->get_filename();

const auto date = article->get_date();

const auto author = article->get("author").value_or(m_options.author);

const auto email = article->get("email").value_or(m_options.email);

ost << rss::item()

.add(rss::title(filename))

.add(rss::link(base_url + filename))

.add(rss::guid(base_url + filename))

.add(rss::pubDate(to_rfc882(date)))

.add(rss::author(std::format("{} ({})", email, author)));

}

ost << rss::channel();

ost << rss::rss();

}

void indexer::create_sitemap(std::ostream& ost) const

{

using namespace hemplate; // NOLINT

static const std::string& base_url = m_options.base_url;

ost << xml();

ost << sitemap::urlset();

for (const auto& article : m_articles)

{

const auto& filename = article->get_filename();

const auto& date = article->get_date();

ost << sitemap::url()

.add(sitemap::loc(base_url + filename))

.add(sitemap::lastmod(date));

}

ost << sitemap::urlset();

}

void indexer::create_robots(std::ostream& ost) const

{

static const std::string& base_url = m_options.base_url;

ost << "User-agent: *";

ost << std::format("Sitemap: {}/sitemap.xml", base_url);

}

} // namespace stamd

diff --git a/source/indexer.hpp b/source/indexer.hpp

@@ -0,0 +1,57 @@

#pragma once

#include <memory>

#include <string>

#include "article.hpp"

namespace stamd {

class indexer

{

public:

using article_s = std::shared_ptr<article>;

using article_list = std::vector<article_s>;

using categories_t = article::categories_t;

struct options_t

{

std::string base_url;

std::string author;

std::string email;

std::string description;

std::string summary;

};

explicit indexer(options_t options)

: m_options(std::move(options))

{

if (m_options.base_url.empty() || m_options.base_url.back() != '/')

{

m_options.base_url += '/';

}

article_s& add(const article_s& article);

void sort();

void create_robots(std::ostream& ost) const;

void create_sitemap(std::ostream& ost) const;

void create_atom(std::ostream& ost, const std::string& name) const;

void create_rss(std::ostream& ost, const std::string& name) const;

void create_index(std::ostream& ost,

const std::string& name,

const categories_t& categories);

void create_categories() const;

private:

options_t m_options;

article_list m_articles;

};

} // namespace stamd

diff --git a/source/main.cpp b/source/main.cpp

@@ -7,10 +7,10 @@

#include <poafloc/poafloc.hpp>

#include "article.hpp"

#include "index.hpp"

#include "indexer.hpp"

#include "utility.hpp"

void preprocess(article& article, std::istream& ist)

void preprocess(stamd::article& article, std::istream& ist)

{

std::string line;

std::string key;

@@ -47,7 +47,7 @@ struct arguments_t

std::vector<std::filesystem::path> files;

bool index = false;

std::string base = "https://dimitrijedobrota.com/blog";

stamd::indexer::options_t options;

};

int parse_opt(int key, const char* arg, poafloc::Parser* parser)

@@ -58,12 +58,24 @@ int parse_opt(int key, const char* arg, poafloc::Parser* parser)

case 'o':

args->output_dir = arg;

break;

case 'b':

args->base = arg;

break;

case 'i':

args->index = true;

break;

case 'b':

args->options.base_url = arg;

break;

case 'a':

args->options.author = arg;

break;

case 'e':

args->options.email = arg;

break;

case 'd':

args->options.description = arg;

break;

case 's':

args->options.summary = arg;

break;

case poafloc::ARG:

args->files.emplace_back(arg);

break;

@@ -74,12 +86,21 @@ int parse_opt(int key, const char* arg, poafloc::Parser* parser)

}

// NOLINTBEGIN

// clang-format off

static const poafloc::option_t options[] = {

{0, 0, 0, 0, "Output mode", 1},

{"output", 'o', "DIR", 0, "Output directory"},

{"index", 'i', 0, 0, "Generate all of the indices"},

{0, 0, 0, 0, "General information", 2},

{"base", 'b', "URL", 0, "Base URL for the content"},

{"author", 'a', "NAME", 0, "Name of the author, if not specified in article"},

{"email", 'e', "EMAIL", 0, "Email of the author, if not specified in article"},

{"summary", 's', "SMRY", 0, "A summary, if not specified in article"},

{"description", 'd', "DESC", 0, "Description of RSS feed"},

{0, 0, 0, 0, "Informational Options", -1},

{0},

};

// clang-format on

static const poafloc::arg_t arg {

options,

@@ -99,8 +120,6 @@ int main(int argc, char* argv[])

{

using namespace stamd; // NOLINT

using category_map_t = std::unordered_map<std::string, article_list>;

arguments_t args;

if (poafloc::parse(&arg, argc, argv, 0, &args) != 0)

@@ -109,23 +128,24 @@ int main(int argc, char* argv[])

return 1;

}

using category_map_t =

std::unordered_map<std::string, indexer::article_list>;

stamd::indexer::categories_t categories;

category_map_t category_map;

categories_t all_categories;

article_list all_articles;

indexer indexer(args.options);

for (const auto& path : args.files)

{

const std::string filename = path.stem().string() + ".html";

std::ifstream ifs(path.string());

all_articles.push_back(make_shared<article>(filename));

auto& article = indexer.add(make_shared<stamd::article>(filename));

auto& article = all_articles.back();

preprocess(*article, ifs);

// filename can change in preprocessing phase

std::filesystem::path out = args.output_dir / article->get_filename();

std::ofstream ofs(out);

std::ofstream ofs(args.output_dir / article->get_filename());

std::stringstream sst;

sst << ifs.rdbuf();

@@ -141,41 +161,37 @@ int main(int argc, char* argv[])

if (!article->is_hidden())

{

all_categories.merge(article->get_categories());

for (const auto& ctgry : article->get_categories())

category_map[ctgry].push_back(article);

categories.merge(article->get_categories());

for (const auto& category : article->get_categories())

category_map[category].emplace_back(article);

}

if (!args.index) return 0;

sort(begin(all_articles),

end(all_articles),

[](const auto& lft, const auto& rht)

{ return lft->get_date() > rht->get_date(); });

indexer.sort();

std::ofstream rss(args.output_dir / "rss.xml");

create_rss(rss, "index", all_articles);

indexer.create_rss(rss, "index");

std::ofstream atom(args.output_dir / "atom.xml");

create_atom(atom, "index", all_articles);

indexer.create_atom(atom, "index");

std::ofstream index(args.output_dir / "index.html");

indexer.create_index(index, "blog index", categories);

all_articles.push_back(

create_index(index, "index", all_articles, all_categories));

for (const auto& [category, articles] : category_map)

{

auto ctgry = category;

std::ofstream ost(args.output_dir / (normalize(ctgry) + ".html"));

all_articles.push_back(create_index(ost, category, articles, {}));

indexer.create_index(ost, category, {});

}

std::ofstream robots(args.output_dir / "robots.txt");

create_robots(robots);

indexer.create_robots(robots);

std::ofstream sitemap(args.output_dir / "sitemap.xml");

create_sitemap(sitemap, all_articles);

indexer.create_sitemap(sitemap);

return 0;

}