error messages and parse updates

Author: cscheid

crates/qmd-syntax-helper/src/conversions/apostrophe_quotes.rs

@@ -0,0 +1,198 @@
+use anyhow::{Context, Result};
+use std::fs;
+use std::path::Path;
+
+use crate::rule::{CheckResult, ConvertResult, Rule, SourceLocation};
+use crate::utils::file_io::read_file;
+
+pub struct ApostropheQuotesConverter {}
+
+#[derive(Debug, Clone)]
+struct ApostropheViolation {
+    offset: usize,                          // Offset of the apostrophe character
+    error_location: Option<SourceLocation>, // For reporting
+}
+
+impl ApostropheQuotesConverter {
+    pub fn new() -> Result<Self> {
+        Ok(Self {})
+    }
+
+    /// Get parse errors and extract Q-2-10 apostrophe violations
+    fn get_apostrophe_violations(&self, file_path: &Path) -> Result<Vec<ApostropheViolation>> {
+        let content = fs::read_to_string(file_path)
+            .with_context(|| format!("Failed to read file: {}", file_path.display()))?;
+
+        // Parse with quarto-markdown-pandoc to get diagnostics
+        let mut sink = std::io::sink();
+        let filename = file_path.to_string_lossy();
+
+        let result = quarto_markdown_pandoc::readers::qmd::read(
+            content.as_bytes(),
+            false, // not loose mode
+            &filename,
+            &mut sink,
+            true,
+        );
+
+        let diagnostics = match result {
+            Ok(_) => return Ok(Vec::new()), // No errors
+            Err(diagnostics) => diagnostics,
+        };
+
+        let mut violations = Vec::new();
+
+        for diagnostic in diagnostics {
+            // Check if this is a Q-2-10 error
+            if diagnostic.code.as_deref() != Some("Q-2-10") {
+                continue;
+            }
+
+            // Extract location
+            let location = diagnostic.location.as_ref();
+            if location.is_none() {
+                continue;
+            }
+
+            let offset = location.as_ref().unwrap().start_offset();
+
+            violations.push(ApostropheViolation {
+                offset,
+                error_location: Some(SourceLocation {
+                    row: self.offset_to_row(&content, offset),
+                    column: self.offset_to_column(&content, offset),
+                }),
+            });
+        }
+
+        Ok(violations)
+    }
+
+    /// Apply fixes to the content by inserting backslashes before apostrophes
+    fn apply_fixes(
+        &self,
+        content: &str,
+        mut violations: Vec<ApostropheViolation>,
+    ) -> Result<String> {
+        if violations.is_empty() {
+            return Ok(content.to_string());
+        }
+
+        // Sort violations in reverse order to avoid offset invalidation
+        violations.sort_by_key(|v| std::cmp::Reverse(v.offset));
+
+        let mut result = content.to_string();
+
+        for violation in violations {
+            // The offset points to the space after the apostrophe,
+            // so we need to insert the backslash at offset-1 (before the apostrophe)
+            result.insert(violation.offset - 1, '\\');
+        }
+
+        Ok(result)
+    }
+
+    /// Convert byte offset to row number (0-indexed)
+    fn offset_to_row(&self, content: &str, offset: usize) -> usize {
+        content[..offset].matches('\n').count()
+    }
+
+    /// Convert byte offset to column number (0-indexed)
+    fn offset_to_column(&self, content: &str, offset: usize) -> usize {
+        let line_start = content[..offset]
+            .rfind('\n')
+            .map(|pos| pos + 1)
+            .unwrap_or(0);
+        offset - line_start
+    }
+}
+
+impl Rule for ApostropheQuotesConverter {
+    fn name(&self) -> &str {
+        "apostrophe-quotes"
+    }
+
+    fn description(&self) -> &str {
+        "Fix Q-2-10: Escape apostrophes misinterpreted as quote closes"
+    }
+
+    fn check(&self, file_path: &Path, _verbose: bool) -> Result<Vec<CheckResult>> {
+        let violations = self.get_apostrophe_violations(file_path)?;
+
+        let results: Vec<CheckResult> = violations
+            .into_iter()
+            .map(|v| CheckResult {
+                rule_name: self.name().to_string(),
+                file_path: file_path.to_string_lossy().to_string(),
+                has_issue: true,
+                issue_count: 1,
+                message: Some(format!(
+                    "Q-2-10 apostrophe violation at offset {}",
+                    v.offset
+                )),
+                location: v.error_location,
+                error_code: Some("Q-2-10".to_string()),
+                error_codes: None,
+            })
+            .collect();
+
+        Ok(results)
+    }
+
+    fn convert(
+        &self,
+        file_path: &Path,
+        in_place: bool,
+        check_mode: bool,
+        _verbose: bool,
+    ) -> Result<ConvertResult> {
+        let content = read_file(file_path)?;
+        let violations = self.get_apostrophe_violations(file_path)?;
+
+        if violations.is_empty() {
+            return Ok(ConvertResult {
+                rule_name: self.name().to_string(),
+                file_path: file_path.to_string_lossy().to_string(),
+                fixes_applied: 0,
+                message: Some("No Q-2-10 apostrophe issues found".to_string()),
+            });
+        }
+
+        let fixed_content = self.apply_fixes(&content, violations.clone())?;
+
+        if check_mode {
+            // Just report what would be done
+            return Ok(ConvertResult {
+                rule_name: self.name().to_string(),
+                file_path: file_path.to_string_lossy().to_string(),
+                fixes_applied: violations.len(),
+                message: Some(format!(
+                    "Would fix {} Q-2-10 apostrophe violation(s)",
+                    violations.len()
+                )),
+            });
+        }
+
+        if in_place {
+            // Write back to file
+            crate::utils::file_io::write_file(file_path, &fixed_content)?;
+            Ok(ConvertResult {
+                rule_name: self.name().to_string(),
+                file_path: file_path.to_string_lossy().to_string(),
+                fixes_applied: violations.len(),
+                message: Some(format!(
+                    "Fixed {} Q-2-10 apostrophe violation(s)",
+                    violations.len()
+                )),
+            })
+        } else {
+            // Return the converted content in message
+            Ok(ConvertResult {
+                rule_name: self.name().to_string(),
+                file_path: file_path.to_string_lossy().to_string(),
+                fixes_applied: violations.len(),
+                message: Some(fixed_content),
+            })
+        }
+    }
+}