Merge pull request #8 from szymon-jozef/feature/template-replace

feature/template replace
This commit is contained in:
Szymon
2026-01-12 12:53:09 +01:00
committed by GitHub
3 changed files with 164 additions and 9 deletions

View File

@@ -1,11 +1,71 @@
#include "format/format.hpp"
#include "markdown/markdown.hpp"
#include <string>
static bool replace_once(std::string &str, const std::string &from,
const std::string &to) {
size_t start_pos = str.find(from);
if (start_pos == std::string::npos)
// Remove everything from START to STOP
static bool remove_from_to(std::string &STR, const std::string &START,
const std::string &STOP) {
size_t start_pos = STR.find(START);
if (start_pos == std::string::npos) {
return false;
str.replace(start_pos, from.length(), to);
}
size_t stop_pos = STR.find(STOP, start_pos);
if (stop_pos == std::string::npos) {
return false;
}
STR.replace(start_pos, stop_pos - start_pos + STOP.length(), "");
return true;
}
std::string format_file(const std::string &TEMPLATE_FILE,
const std::string &TEMPLATE, const std::string &INPUT) {
std::string result = TEMPLATE_FILE;
size_t current_pos = 0;
while (true) {
size_t found_pos = result.find(TEMPLATE, current_pos);
if (found_pos == std::string::npos) {
break;
}
result.replace(found_pos, TEMPLATE.length(), INPUT);
current_pos = found_pos + INPUT.length();
}
return result;
}
std::string format_file_conditionally(const std::string &TEMPLATE_FILE,
const std::string &START_TAG,
const std::string &END_TAG,
const std::string &TEMPLATE,
const std::string &INPUT) {
std::string result = TEMPLATE_FILE;
if (INPUT.empty()) {
while (true) {
if (!remove_from_to(result, START_TAG, END_TAG)) {
break;
}
}
} else {
// remove START tag
size_t pos = 0;
while ((pos = result.find(START_TAG, pos)) != std::string::npos) {
result.replace(pos, START_TAG.length(), "");
}
// remove END tag
pos = 0;
while ((pos = result.find(END_TAG, pos)) != std::string::npos) {
result.replace(pos, END_TAG.length(), "");
}
// replace
result = format_file(result, TEMPLATE, INPUT);
}
return result;
}

View File

@@ -1,7 +1,21 @@
#include <string>
// Change template from file into html
// Return html in string
std::string inject_html_into_template(const std::string &FILE_NAME,
// @brief Format file.
// @param TEMPLATE_FILE File that you want to format in string.
// @param TEMPLATE Template that you want to replace. For example `{{title}}`
// @param INPUT Text that you want to replace TEMPLATE with.
// @return Formatted file in std::string
std::string format_file(const std::string &TEMPLATE_FILE,
const std::string &TEMPLATE, const std::string &INPUT);
// @brief Format file conditionally. Replace everything between `{{if
// _something_}}` to `{{endif}}` If INPUT is empty then everything between
// this will be removed.
// @param TEMPLATE_FILE File that you want to format in string.
// @param TEMPLATE Full name of the if statement. For example `{{if title}}`
// @return Formatted file in std::string
std::string format_file_conditionally(const std::string &TEMPLATE_FILE,
const std::string &START_TAG,
const std::string &END_TAG,
const std::string &TEMPLATE,
const std::string &HTML);
const std::string &INPUT);

View File

@@ -31,6 +31,58 @@ constexpr const char *formatter_html = R"(<!DOCTYPE html>
</body>
</html>)";
constexpr const char *formated_html = R"(<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
I'm formatted!
</body>
</html>)";
constexpr const char *formatter_html_conditionally = R"(<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
{{if tag}}
<p>{{tag}}</p>
{{endif}}
</body>
</html>)";
constexpr const char *formated_html_conditionally = R"(<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<p>tag</p>
</body>
</html>)";
constexpr const char *formated_html_conditionally_empty = R"(<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
</body>
</html>)";
constexpr const char *no_metadata_post_md = R"(# This markdown has no metadata.
That's bad. Don't do it. It's for tests only.)";
@@ -88,6 +140,8 @@ TEST_CASE("Test reading a file that doesn't exist") {
REQUIRE_THROWS(read_file("this/path/doesnt/exist"));
}
// Config tests
TEST_CASE("Checking config file read", "[config]") {
Config config = get_config(TestFiles::config_toml);
@@ -98,6 +152,8 @@ TEST_CASE("Checking config file read", "[config]") {
REQUIRE(config.general.title == "Blog");
}
// Markdown tests
TEST_CASE("get_metadata function data correctness test") {
Metadata result = get_metadata(TestFiles::post_md).value();
@@ -160,3 +216,28 @@ int main() {
REQUIRE(get_html(TestFiles::post_md) == EXPECTED_OUTPUT);
}
// Format tests
TEST_CASE("Test format_file function with correct data") {
REQUIRE(TestFiles::formated_html == format_file(TestFiles::formatter_html,
"{{replace_me}}",
"I'm formatted!"));
}
TEST_CASE("Test format_file function with no templates") {
REQUIRE(TestFiles::formated_html ==
format_file(TestFiles::formated_html, "{{replace_me}}", "nothing"));
}
TEST_CASE("Test format_file_conditionally with tag") {
REQUIRE(TestFiles::formated_html_conditionally ==
format_file_conditionally(TestFiles::formatter_html_conditionally,
"{{if tag}}", "{{endif}}", "{{tag}}",
"tag"));
}
TEST_CASE("Test format_file_conditionally with empty tag") {
REQUIRE(TestFiles::formated_html_conditionally_empty ==
format_file_conditionally(TestFiles::formatter_html_conditionally,
"{{if tag}}", "{{endif}}", "{{tag}}", ""));
}