add watch mode to validator

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java

@@ -211,6 +211,7 @@ public class ValidationEngine implements IValidatorResourceFetcher, IValidationP
   @Getter @Setter private boolean showMessagesFromReferences;
   @Getter @Setter private boolean doImplicitFHIRPathStringConversion;
   @Getter @Setter private HtmlInMarkdownCheck htmlInMarkdownCheck;
+  @Getter @Setter private boolean allowDoubleQuotesInFHIRPath;
   @Getter @Setter private Locale locale;
   @Getter @Setter private List<ImplementationGuide> igs = new ArrayList<>();
   @Getter @Setter private List<String> extensionDomains = new ArrayList<>();
@@ -262,6 +263,7 @@ public class ValidationEngine implements IValidatorResourceFetcher, IValidationP
     showMessagesFromReferences = other.showMessagesFromReferences;
     doImplicitFHIRPathStringConversion = other.doImplicitFHIRPathStringConversion;
     htmlInMarkdownCheck = other.htmlInMarkdownCheck;
+    allowDoubleQuotesInFHIRPath = other.allowDoubleQuotesInFHIRPath;
     locale = other.locale;
     igs.addAll(other.igs);
     extensionDomains.addAll(other.extensionDomains);
@@ -471,6 +473,7 @@ public class ValidationEngine implements IValidatorResourceFetcher, IValidationP
     context.loadFromPackage(npmX, null);
 
     this.fhirPathEngine = new FHIRPathEngine(context);
+    this.fhirPathEngine.setAllowDoubleQuotes(false);
   }
 
   private String getVersionFromPack(Map<String, byte[]> source) {
@@ -839,6 +842,7 @@ public class ValidationEngine implements IValidatorResourceFetcher, IValidationP
     validator.setQuestionnaireMode(questionnaireMode);
     validator.setLevel(level);
     validator.setHtmlInMarkdownCheck(htmlInMarkdownCheck);
+    validator.setAllowDoubleQuotesInFHIRPath(allowDoubleQuotesInFHIRPath);
     validator.setNoUnicodeBiDiControlChars(noUnicodeBiDiControlChars);
     validator.setDoImplicitFHIRPathStringConversion(doImplicitFHIRPathStringConversion);
     if (format == FhirFormat.SHC) {

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/model/CliContext.java

@@ -12,6 +12,7 @@ import org.hl7.fhir.r5.utils.validation.BundleValidationRule;
 
 import org.hl7.fhir.utilities.VersionUtilities;
 import org.hl7.fhir.utilities.settings.FhirSettings;
+import org.hl7.fhir.validation.cli.services.ValidatorWatchMode;
 import org.hl7.fhir.validation.cli.utils.EngineMode;
 import org.hl7.fhir.validation.cli.utils.QuestionnaireMode;
 import org.hl7.fhir.validation.cli.utils.ValidationLevel;
@@ -53,7 +54,8 @@ public class CliContext {
   private boolean doImplicitFHIRPathStringConversion = false;
   @JsonProperty("htmlInMarkdownCheck")
   private HtmlInMarkdownCheck htmlInMarkdownCheck = HtmlInMarkdownCheck.WARNING;
-
+  @JsonProperty("allowDoubleQuotesInFHIRPath")  
+  private boolean allowDoubleQuotesInFHIRPath = false;
   @JsonProperty("langTransform")
   private String langTransform = null;
   @JsonProperty("map")
@@ -139,6 +141,8 @@ public class CliContext {
   @JsonProperty("fhirSettingsFile")
   private String fhirSettingsFile;
 
+  @JsonProperty("watchMode")
+  private ValidatorWatchMode watchMode = ValidatorWatchMode.NONE;
 
   @JsonProperty("map")
   public String getMap() {
@@ -294,6 +298,16 @@ public class CliContext {
     this.htmlInMarkdownCheck = htmlInMarkdownCheck;
   }
 
+  @JsonProperty("allowDoubleQuotesInFHIRPath")  
+  public boolean isAllowDoubleQuotesInFHIRPath() {
+    return allowDoubleQuotesInFHIRPath;
+  }
+
+  @JsonProperty("allowDoubleQuotesInFHIRPath")  
+  public void setAllowDoubleQuotesInFHIRPath(boolean allowDoubleQuotesInFHIRPath) {
+    this.allowDoubleQuotesInFHIRPath = allowDoubleQuotesInFHIRPath;
+  }
+
   @JsonProperty("locale")
   public String getLanguageCode() {
     return locale;
@@ -705,8 +719,10 @@ public class CliContext {
       noInvariants == that.noInvariants &&
       displayWarnings == that.displayWarnings &&
       wantInvariantsInMessages == that.wantInvariantsInMessages &&
+      allowDoubleQuotesInFHIRPath == that.allowDoubleQuotesInFHIRPath &&
       Objects.equals(extensions, that.extensions) &&
       Objects.equals(map, that.map) &&
+      Objects.equals(htmlInMarkdownCheck, that.htmlInMarkdownCheck) &&
       Objects.equals(output, that.output) &&
       Objects.equals(outputSuffix, that.outputSuffix) &&
       Objects.equals(htmlOutput, that.htmlOutput) &&
@@ -734,14 +750,16 @@ public class CliContext {
       Objects.equals(locale, that.locale) &&
       Objects.equals(outputStyle, that.outputStyle) &&
       Objects.equals(jurisdiction, that.jurisdiction) &&
-      Objects.equals(locations, that.locations);
+      Objects.equals(locations, that.locations) &&
+      Objects.equals(watchMode, that.watchMode) ;
   }
 
   @Override
   public int hashCode() {
     return Objects.hash(doNative, extensions, hintAboutNonMustSupport, recursive, doDebug, assumeValidRestReferences, canDoNative, noInternalCaching, 
             noExtensibleBindingMessages, noInvariants, displayWarnings, wantInvariantsInMessages, map, output, outputSuffix, htmlOutput, txServer, sv, txLog, txCache, mapLog, lang, srcLang, tgtLang, fhirpath, snomedCT,
-            targetVer, igs, questionnaireMode, level, profiles, sources, inputs, mode, locale, locations, crumbTrails, forPublication, showTimes, allowExampleUrls, outputStyle, jurisdiction, noUnicodeBiDiControlChars);
+            targetVer, igs, questionnaireMode, level, profiles, sources, inputs, mode, locale, locations, crumbTrails, forPublication, showTimes, allowExampleUrls, outputStyle, jurisdiction, noUnicodeBiDiControlChars, watchMode,
+            htmlInMarkdownCheck, allowDoubleQuotesInFHIRPath);
   }
 
   @Override
@@ -792,6 +810,9 @@ public class CliContext {
       ", locale='" + locale + '\'' +
       ", locations=" + locations +
       ", bundleValidationRules=" + bundleValidationRules +
+      ", htmlInMarkdownCheck=" + htmlInMarkdownCheck +
+      ", allowDoubleQuotesInFHIRPath=" + allowDoubleQuotesInFHIRPath +
+      ", watchMode=" + watchMode +
       '}';
   }
 
@@ -805,4 +826,17 @@ public class CliContext {
   public String getFhirSettingsFile() {
     return fhirSettingsFile;
   }
+
+  @JsonProperty("watchMode")
+  public ValidatorWatchMode getWatchMode() {
+    return watchMode;
+  }
+
+  @JsonProperty("watchMode")
+  public CliContext setWatchMode(ValidatorWatchMode watchMode) {
+    this.watchMode = watchMode;
+    return this;
+  }
+  
+  
 }

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/services/ValidationService.java

@@ -143,11 +143,10 @@ public class ValidationService {
     return versions;
   }
 
-  public void validateSources(CliContext cliContext, ValidationEngine validator) throws Exception {
+  public void validateSources(CliContext cliContext, ValidationEngine validator, ValidatorWatchMode watch) throws Exception {
     if (cliContext.getProfiles().size() > 0) {
       System.out.println("  Profiles: " + cliContext.getProfiles());
     }
-    ValidatorWatchMode watch = ValidatorWatchMode.NONE;
     IgLoader igLoader = new IgLoader(validator.getPcm(), validator.getContext(), validator.getVersion());
         
     List<ValidationRecord> records = new ArrayList<>();
@@ -467,6 +466,7 @@ public class ValidationService {
     validationEngine.setShowMessagesFromReferences(cliContext.isShowMessagesFromReferences());
     validationEngine.setDoImplicitFHIRPathStringConversion(cliContext.isDoImplicitFHIRPathStringConversion());
     validationEngine.setHtmlInMarkdownCheck(cliContext.getHtmlInMarkdownCheck());
+    validationEngine.setAllowDoubleQuotesInFHIRPath(cliContext.isAllowDoubleQuotesInFHIRPath());
     validationEngine.setNoExtensibleBindingMessages(cliContext.isNoExtensibleBindingMessages());
     validationEngine.setNoUnicodeBiDiControlChars(cliContext.isNoUnicodeBiDiControlChars());
     validationEngine.setNoInvariantChecks(cliContext.isNoInvariants());

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/tasks/ValidateTask.java

@@ -7,6 +7,7 @@ import org.hl7.fhir.utilities.TimeTracker;
 import org.hl7.fhir.validation.ValidationEngine;
 import org.hl7.fhir.validation.cli.model.CliContext;
 import org.hl7.fhir.validation.cli.services.ValidationService;
+import org.hl7.fhir.validation.cli.services.ValidatorWatchMode;
 import org.hl7.fhir.validation.cli.utils.Display;
 
 import java.io.PrintStream;
@@ -54,7 +55,7 @@ public class ValidateTask extends ValidationEngineTask {
     }
     System.out.println("Validating");
 
-    validationService.validateSources(cliContext, validationEngine);
+    validationService.validateSources(cliContext, validationEngine, cliContext.getWatchMode());
 
   }
 }

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/cli/utils/Params.java

@@ -10,6 +10,7 @@ import org.hl7.fhir.r5.utils.validation.BundleValidationRule;
 import org.hl7.fhir.utilities.VersionUtilities;
 import org.hl7.fhir.validation.cli.model.CliContext;
 import org.hl7.fhir.validation.cli.model.HtmlInMarkdownCheck;
+import org.hl7.fhir.validation.cli.services.ValidatorWatchMode;
 
 public class Params {
 
@@ -83,6 +84,7 @@ public class Params {
   public static final String HTML_IN_MARKDOWN = "-html-in-markdown";
   public static final String SRC_LANG = "-src-lang";
   public static final String TGT_LANG = "-tgt-lang";
+  public static final String ALLOW_DOUBLE_QUOTES = "-allow-double-quotes-in-fhirpath";
   
 
   public static final String RUN_TESTS = "-run-tests";
@@ -96,6 +98,7 @@ public class Params {
   public static final String INPUT = "-input";
   public static final String FILTER = "-filter";
   private static final String FHIR_SETTINGS_PARAM = "-fhir-settings";
+  private static final String WATCH_MODE_PARAM = "-watch-mode";
 
   /**
    * Checks the list of passed in params to see if it contains the passed in param.
@@ -240,6 +243,8 @@ public class Params {
         cliContext.setNoInternalCaching(true);
       } else if (args[i].equals(NO_EXTENSIBLE_BINDING_WARNINGS)) {
         cliContext.setNoExtensibleBindingMessages(true);
+      } else if (args[i].equals(ALLOW_DOUBLE_QUOTES)) {
+        cliContext.setAllowDoubleQuotesInFHIRPath(true);        
       } else if (args[i].equals(NO_UNICODE_BIDI_CONTROL_CHARS)) {
         cliContext.setNoUnicodeBiDiControlChars(true);
       } else if (args[i].equals(NO_INVARIANTS)) {
@@ -381,6 +386,12 @@ public class Params {
         } else {
           throw new Exception("Can only nominate a single -map parameter");
         }
+      } else if (args[i].equals(WATCH_MODE_PARAM)) {
+        if (i + 1 == args.length) {
+          throw new Error("Specified -watch-mode without indicating mode value");
+        } else {
+          cliContext.setWatchMode(readWatchMode(args[++i]));
+        }
       } else if (args[i].startsWith(X)) {
         i++;
       } else if (args[i].equals(CONVERT)) {
@@ -402,6 +413,21 @@ public class Params {
     return cliContext;
   }
 
+  private static ValidatorWatchMode readWatchMode(String s) {
+    if (s == null) {
+      return ValidatorWatchMode.NONE;
+    }
+    switch (s.toLowerCase()) {
+    case "all" : return ValidatorWatchMode.ALL;
+    case "none" : return ValidatorWatchMode.NONE;
+    case "single" : return ValidatorWatchMode.SINGLE;
+    case "a" : return ValidatorWatchMode.ALL;
+    case "n" : return ValidatorWatchMode.NONE;
+    case "s" : return ValidatorWatchMode.SINGLE;
+    }
+    throw new Error("The watch mode ''"+s+"'' is not valid");
+  }
+
   private static String processJurisdiction(String s) {
     if (s.startsWith("urn:iso:std:iso:3166#") || s.startsWith("urn:iso:std:iso:3166:-2#") || s.startsWith("http://unstats.un.org/unsd/methods/m49/m49.htm#")) {
       return s;

org.hl7.fhir.validation/src/main/resources/help/validate.txt

@@ -5,8 +5,8 @@ The validation tool compares a resource against the base definitions and any
 profiles declared in the resource (Resource.meta.profile) or specified on the 
 command line
 
-The FHIR validation tool validates a FHIR resource or bundle. Schema and
+The FHIR validation tool validates a FHIR resource or bundle. Syntax and content is checked 
-schematron checking is performed, then some additional checks are performed.
+against the specification and other profiles as specified. 
 
 * XML & Json (FHIR versions {{XML_AND_JSON_FHIR_VERSIONS}})
 * Turtle (FHIR versions {{TURTLE_FHIR_VERSIONS}})
@@ -72,6 +72,16 @@ The following parameters are supported:
         Default: results are sent to the std out.
 -outputSuffix [string]: used in -convert and -snapshot to deal with
         one or more result files (where -output can only have one)
+-watch-mode [mode]:
+        Specify that the validator remain running and re-validate when any 
+     of the validated files changes. The validator has to be terminated with 
+     ctrl-c etc in this mode.
+     This parameter can have one of the following values:
+      * none: the default - don't wait, just stop when finished
+      * single: when any of the validated files changes, re-validate it
+      * all: when any of the validated files changes, re-validate all of them
+     All is useful when the content includes internal dependencies e.g. 
+     a profile and it's value sets.     
 -debug
         Produce additional information about the loading/validation process
 -recurse

org.hl7.fhir.validation/src/test/java/org/hl7/fhir/validation/ValidatorCliTests.java

@@ -3,6 +3,7 @@ package org.hl7.fhir.validation;
 import org.hl7.fhir.utilities.TimeTracker;
 import org.hl7.fhir.validation.cli.model.CliContext;
 import org.hl7.fhir.validation.cli.services.ValidationService;
+import org.hl7.fhir.validation.cli.services.ValidatorWatchMode;
 import org.hl7.fhir.validation.cli.tasks.*;
 import org.hl7.fhir.validation.cli.utils.Params;
 
@@ -245,9 +246,10 @@ public class ValidatorCliTests {
     final String[] args = new String[]{"dummyFile.json"};
     CliContext cliContext = Params.loadCliContext(args);
     ValidatorCli cli = mockValidatorCliWithService(cliContext);
+    ValidatorWatchMode watchMode = ValidatorWatchMode.NONE;
     cli.readParamsAndExecuteTask(cliContext, args);
     Mockito.verify(validationService).determineVersion(same(cliContext));
-    Mockito.verify(validationService).validateSources(same(cliContext), same(validationEngine));
+    Mockito.verify(validationService).validateSources(same(cliContext), same(validationEngine), same(watchMode));
   }
 
   @Test