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Simon Petit 2024-11-17 17:46:42 +01:00
parent 8ef470c84d
commit 91a34681be
2 changed files with 12 additions and 12 deletions
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12
drafts/published/awk_for_static_site_generation.md
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@ -158,19 +158,19 @@ Whenever the pattern is found, two global variables are filled :
For the following, `line` represents the line processed by the function, as the following `while` loops are actually part of a single function. For the following, `line` represents the line processed by the function, as the following `while` loops are actually part of a single function.
This way `match(line, /\*([^*]+)\*/)` matches a string surrounded by two `*`, corresponding to an emphasis text. This way `match(line, /\*([^*]+)\*/)` matches a string surrounded by two `*`, corresponding to an emphasis text.
The `*` are espaced are thez are special characters, and the *group* is inside the parenthesis. The `*` are espaced are thez are special characters, and the *group* is inside the parenthesis.
To matche several instances of emphasis text within a line, a simple `while` will do the trick. To matche several instances of emphasis text within a line, a simple `while` will do the trick.
We now only have to insert html tags `<em>` are the right space around the matched text, and we are good to go. We now only have to insert html tags `&lt;em&gt;` are the right space around the matched text, and we are good to go.
We can save the global variables `RSTART` and `RLENGTH` for further use, in case they were to be change. Using them we also can extract the We can save the global variables `RSTART` and `RLENGTH` for further use, in case they were to be change. Using them we also can extract the
matched substrings and reconstruct the actual html string : matched substrings and reconstruct the actual html string :
while (match(line, /\*([^*]+)\*/)) { while (match(line, /\&#42;([^&#42;]+)\&#42;/)) {
start = RSTART start = RSTART
end = RSTART + RLENGTH - 1 end = RSTART + RLENGTH - 1
# Build the result: before match, <em>, content, </em>, after match # Build the result: before match, &lt;em&gt;, content, &lt;/em&gt;, after match
line = substr(line, 1, start-1) "<em>" substr(line, start+1, RLENGTH-2) "</em>" substr(line, end+1) line = substr(line, 1, start-1) "&lt;em&gt;" substr(line, start+1, RLENGTH-2) "&lt;/em&gt;" substr(line, end+1)
} }
We now can repeat the pattern for all inline fonctionnalities, e.g. strong and code. We now can repeat the pattern for all inline fonctionnalities, e.g. strong and code.
@ -197,7 +197,7 @@ It is possible to apply the match fonction on this `matched` string, and extract
As the link text and the url are stored, using the variables `start` and `end`, it is easy to reconstruct the html line : As the link text and the url are stored, using the variables `start` and `end`, it is easy to reconstruct the html line :
line = substr(line, 1, start-1) "<a href=\"" matched_url "\">" matched_link "</a>" substr(line, end+1) line = substr(line, 1, start-1) "&lt;a href=\"" matched_url "\"&gt;" matched_link "&lt;/a&gt;" substr(line, end+1)
The inline parsing function is now complete, all we have to do it apply is systematically on the text within html tags and this finished the markdown parser. The inline parsing function is now complete, all we have to do it apply is systematically on the text within html tags and this finished the markdown parser.

12
posts/awk_for_static_site_generation.html
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@ -158,17 +158,17 @@ function last() {
<li>RLENGTH: the length of the matched *group*</li> <li>RLENGTH: the length of the matched *group*</li>
</ul> </ul>
<p>For the following, `line` represents the line processed by the function, as the following `while` loops are actually part of a single function.</p> <p>For the following, `line` represents the line processed by the function, as the following `while` loops are actually part of a single function.</p>
<p>This way `match(line, /\<em>([^</em>]+)\<em>/)` matches a string surrounded by two `</em>`, corresponding to an emphasis text.</p> <p>This way `match(line, /&#42;([^&#42;]+)&#42;/)` matches a string surrounded by two `&#42;`, corresponding to an emphasis text.</p>
<p>The `<em>` are espaced are thez are special characters, and the </em>group* is inside the parenthesis.</p> <p>The `<em>` are espaced are thez are special characters, and the </em>group* is inside the parenthesis.</p>
<p>To matche several instances of emphasis text within a line, a simple `while` will do the trick.</p> <p>To matche several instances of emphasis text within a line, a simple `while` will do the trick.</p>
<p>We now only have to insert html tags `<em>` are the right space around the matched text, and we are good to go.</p> <p>We now only have to insert html tags `&lt;em&gt;` are the right space around the matched text, and we are good to go.</p>
<p>We can save the global variables `RSTART` and `RLENGTH` for further use, in case they were to be change. Using them we also can extract the </p> <p>We can save the global variables `RSTART` and `RLENGTH` for further use, in case they were to be change. Using them we also can extract the </p>
<p>matched substrings and reconstruct the actual html string :</p> <p>matched substrings and reconstruct the actual html string :</p>
<pre><code>while (match(line, /\*([^*]+)\*/)) { <pre><code>while (match(line, /&#42;([^&#42;]+)&#42;/)) {
start = RSTART start = RSTART
end = RSTART + RLENGTH - 1 end = RSTART + RLENGTH - 1
# Build the result: before match, <em>, content, </em>, after match # Build the result: before match, &lt;em&gt;, content, &lt;/em&gt;, after match
line = substr(line, 1, start-1) "<em>" substr(line, start+1, RLENGTH-2) "</em>" substr(line, end+1) line = substr(line, 1, start-1) "&lt;em&gt;" substr(line, start+1, RLENGTH-2) "&lt;/em&gt;" substr(line, end+1)
} }
</code> </code>
</pre> </pre>
@ -192,7 +192,7 @@ if (match(matched, /\([^\)]+\)/)) {
</code> </code>
</pre> </pre>
<p>As the link text and the url are stored, using the variables `start` and `end`, it is easy to reconstruct the html line :</p> <p>As the link text and the url are stored, using the variables `start` and `end`, it is easy to reconstruct the html line :</p>
<pre><code>line = substr(line, 1, start-1) "<a href="" matched_url "">" matched_link "</a>" substr(line, end+1) <pre><code>line = substr(line, 1, start-1) "&lt;a href="" matched_url ""&gt;" matched_link "&lt;/a&gt;" substr(line, end+1)
</code> </code>
</pre> </pre>
<p>The inline parsing function is now complete, all we have to do it apply is systematically on the text within html tags and this finished the markdown parser.</p> <p>The inline parsing function is now complete, all we have to do it apply is systematically on the text within html tags and this finished the markdown parser.</p>