All tests passing for C implementation.

packages/c/.gitignore

@@ -0,0 +1 @@
+test/test-runner

packages/c/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "@terrace/c",
+  "version": "0.0.1",
+  "license": "MIT",
+  "scripts": {
+    "build:test": "cc ./test/test-runner.c -o test/test-runner",
+    "test": "./test/test-runner"
+  }
+}

packages/c/parser.h

@@ -2,6 +2,7 @@
 #define TERRACE_PARSER_H
 
 struct terrace_linedata_s {
+  char indent;
   unsigned int level;
   unsigned int offsetHead;
   unsigned int offsetTail;
@@ -10,13 +11,13 @@ struct terrace_linedata_s {
 typedef struct terrace_linedata_s terrace_linedata_t;
 
 void terrace_parse_line(char* line, terrace_linedata_t *lineData) {
-  if (line[0] == '\n') {
+  if (line == 0) {
     // Reuse lineData->level from previous line.
     lineData->offsetHead = 0;
     lineData->offsetTail = 0;
   } else {
     unsigned int level = 0;
-    while (line[level] == ' ' && level <= lineData->level + 1) ++level;
+    while (line[level] == lineData->indent && level <= lineData->level + 1) ++level;
     lineData->level = level;
     lineData->offsetHead = level;
     lineData->offsetTail = level;

packages/c/test/test-runner.c

@@ -0,0 +1,63 @@
+#include "../parser.h"
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+
+void linedata_basic (char indent) {
+  char *line = NULL;
+  size_t bufsize = 32;
+  ssize_t c_read = 0;
+
+  terrace_linedata_t line_data;
+  line_data.indent = indent;
+
+  while(c_read = getline(&line, &bufsize, stdin)) {
+    if (c_read == -1) break;
+    char *terrace_line = strtok(line, "\n");
+    terrace_parse_line(terrace_line, &line_data);
+    if (terrace_line == 0) terrace_line = "";
+
+    printf("| level %u | indent %c | offsetHead %u | offsetTail %u | line %s |\n", line_data.level, line_data.indent, line_data.offsetHead, line_data.offsetTail, terrace_line);
+  };
+}
+
+void linedata_head_tail (char indent) {
+  char *line = NULL;
+  size_t bufsize = 32;
+  ssize_t c_read = 0;
+
+  terrace_linedata_t line_data;
+  line_data.indent = indent;
+
+  char *head;
+  char *tail;
+
+  while(c_read = getline(&line, &bufsize, stdin)) {
+    if (c_read == -1) break;
+    char *terrace_line = strtok(line, "\n");
+    terrace_parse_line(terrace_line, &line_data);
+    if (terrace_line == 0) terrace_line = "";
+
+    if (line_data.offsetTail < c_read) tail = &terrace_line[line_data.offsetTail + 1];
+    else tail = "";
+
+    // Cheeky move to avoid string slicing.
+    if (line_data.offsetHead < c_read) {
+      terrace_line[line_data.offsetTail] = '\0';
+      head = &terrace_line[line_data.offsetHead];
+    }
+    else head = "";
+
+    printf("| head %s | tail %s |\n", head, tail);
+  };
+}
+
+int main(int argc, char *argv[]) {
+  if (argc < 2) return 0;
+
+  char* test = argv[1];
+  if (!strcmp(test, "linedata:basic")) linedata_basic(' ');
+  if (!strcmp(test, "linedata:tabs")) linedata_basic('\t');
+  if (!strcmp(test, "linedata:head-tail")) linedata_head_tail(' ');
+  return 0;
+}

repo/turbo.tce

@@ -8,5 +8,8 @@ pipeline
     dependsOn ^build compile
     outputs dist/**
 
-  test
+  build:test
     dependsOn build
+
+  test
+    dependsOn build build:test

test/lineData.test.tce

@@ -10,21 +10,21 @@ describe LineData
 
  it Handles a blank line with a single space
   key linedata:basic
-  packages js python
+  packages c js python
   input \s
   output
    | level 1 | indent   | offsetHead 1 | offsetTail 1 | line   |
 
  it Handles a blank line with two spaces
   key linedata:basic
-  packages js python
+  packages c js python
   input \s\s
   output
    | level 2 | indent   | offsetHead 2 | offsetTail 2 | line    |
 
  it Handles a normal line at indent level 0
   key linedata:basic
-  packages js python
+  packages c js python
   input
    line 1
   output
@@ -32,7 +32,7 @@ describe LineData
 
  it Handles a normal line at indent level 1
   key linedata:basic
-  packages js python
+  packages c js python
   input
     line 1
   output
@@ -40,7 +40,7 @@ describe LineData
 
  it Handles a normal line at indent level 2
   key linedata:basic
-  packages js python
+  packages c js python
   input
      line 1
   output
@@ -48,7 +48,7 @@ describe LineData
 
  it Handles a normal line at indent level 1 indented with tabs
   key linedata:tabs
-  packages js python
+  packages c js python
   input
    \tline 1
   output
@@ -56,7 +56,7 @@ describe LineData
 
  it Handles a normal line at indent level 2 indented with tabs
   key linedata:tabs
-  packages js python
+  packages c js python
   input
    \t\tline 1
   output
@@ -64,7 +64,7 @@ describe LineData
 
  it Nests a normal line under a preceding normal line
   key linedata:basic
-  packages js python
+  packages c js python
   input
    line 1
     line 2
@@ -74,7 +74,7 @@ describe LineData
 
  it Nests multiple normal lines under a preceding normal line
   key linedata:basic
-  packages js python
+  packages c js python
   input
    line 1
     line 2
@@ -88,7 +88,7 @@ describe LineData
 
  it Does not nest an empty line under a preceding normal line
   key linedata:basic
-  packages js python
+  packages c js python
   comment Two newlines are needed here. A single newline will look to readline as if the input is finished.
   input line 1\n\n
   output
@@ -97,7 +97,7 @@ describe LineData
 
  it Does not nest multiple empty lines under a preceding normal line
   key linedata:basic
-  packages js python
+  packages c js python
   comment Four newlines are needed here. A single newline will look to readline as if the input is finished.
   input line 1\n\n\n\n
   output
@@ -108,7 +108,7 @@ describe LineData
 
  it Handles head and tail matching for lines with head and tail
   key linedata:head-tail
-  packages js python
+  packages c js python
   input
      head1 tail1 tail2 tail3
   output
@@ -116,7 +116,7 @@ describe LineData
 
  it Handles head and tail matching for lines with head but no tail
   key linedata:head-tail
-  packages js python
+  packages c js python
   input
      head1
   output
@@ -124,7 +124,7 @@ describe LineData
 
  it Handles head and tail matching for lines with head and trailing space
   key linedata:head-tail
-  packages js python
+  packages c js python
   input   head1 \n
   output
    | head head1 | tail  |

turbo.json

@@ -12,10 +12,16 @@
         "dist/**"
       ]
     },
-    "test": {
+    "build:test": {
       "dependsOn": [
         "build"
       ]
+    },
+    "test": {
+      "dependsOn": [
+        "build",
+        "build:test"
+      ]
     }
   }
-}
+}