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Overview
Comment:Fixed short-form flag handling for th1 argv command in CLI mode. It now handles GET/POST params.
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SHA1:413a33f20fc0614e4224eb1327feb092625114c1
User & Date: stephan 2012-07-14 21:36:06
Context
2012-07-14
22:38
Added strftime support to the th1 query API. check-in: 6e2f9edc user: stephan tags: th1-query-api
21:36
Fixed short-form flag handling for th1 argv command in CLI mode. It now handles GET/POST params. check-in: 413a33f2 user: stephan tags: th1-query-api
21:13
Refactored th1 argv_xxx to (argv xxx). Added th1_argv.wiki doc. check-in: 615ee717 user: stephan tags: th1-query-api
Changes
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Changes to src/th_main.c. 

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  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                           argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }






  zVal = find_option( zLong, zShort[0] ? zShort : NULL, 1 );

  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
      return TH_ERROR;
    }
  }
................................................................................
static int argvFindOptionBoolCmd(
  Th_Interp *interp,
  void *p, 
  int argc, 
  const char **argv, 
  int *argl
){

  enum { BufLen = 100 };
  char zLong[BufLen] = {0};
  char zShort[BufLen] = {0};
  char aBuf[BufLen] = {0};
  int hasArg;
  char const * zVal = NULL;
  char const * zDefault = NULL;
................................................................................
  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                            argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }






  zVal = find_option( zLong, zShort[0] ? zShort : NULL, 0 );

  if(zVal && !*zVal){
    zVal = "1";
  }
  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
................................................................................
static int argvFindOptionIntCmd(
  Th_Interp *interp,
  void *p, 
  int argc, 
  const char **argv, 
  int *argl
){

  enum { BufLen = 100 };
  char zLong[BufLen] = {0};
  char zShort[BufLen] = {0};
  char aBuf[BufLen] = {0};
  int hasArg;
  char const * zVal = NULL;
  char const * zDefault = NULL;
................................................................................
  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                            argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }






  zVal = find_option( zLong, zShort[0] ? zShort : NULL, 0 );

  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
      return TH_ERROR;
    }
  }








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  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                           argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }
  if(g.cgiOutput){
      zVal = cgi_parameter( zLong, NULL );
      if( !zVal && zShort[0] ){
          zVal = cgi_parameter( zShort, NULL );
      }
  }else{
      zVal = find_option( zLong, zShort[0] ? zShort : NULL, 1 );
  }
  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
      return TH_ERROR;
    }
  }
................................................................................
static int argvFindOptionBoolCmd(
  Th_Interp *interp,
  void *p, 
  int argc, 
  const char **argv, 
  int *argl
){
  /* FIXME: refactor to re-use the code from getstr */
  enum { BufLen = 100 };
  char zLong[BufLen] = {0};
  char zShort[BufLen] = {0};
  char aBuf[BufLen] = {0};
  int hasArg;
  char const * zVal = NULL;
  char const * zDefault = NULL;
................................................................................
  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                            argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }
  if(g.cgiOutput){
      zVal = cgi_parameter( zLong, NULL );
      if( !zVal && zShort[0] ){
          zVal = cgi_parameter( zShort, NULL );
      }
  }else{
      zVal = find_option( zLong, zShort[0] ? zShort : NULL, 0 );
  }
  if(zVal && !*zVal){
    zVal = "1";
  }
  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
................................................................................
static int argvFindOptionIntCmd(
  Th_Interp *interp,
  void *p, 
  int argc, 
  const char **argv, 
  int *argl
){
  /* FIXME: refactor to re-use the code from getstr */
  enum { BufLen = 100 };
  char zLong[BufLen] = {0};
  char zShort[BufLen] = {0};
  char aBuf[BufLen] = {0};
  int hasArg;
  char const * zVal = NULL;
  char const * zDefault = NULL;
................................................................................
  }

  if(0 == zLong[0]){
    return Th_WrongNumArgs2(interp,
                            argv[0], argl[0],
                           "longName ?shortName? ?defaultVal?");
  }
  if(g.cgiOutput){
      zVal = cgi_parameter( zLong, NULL );
      if( !zVal && zShort[0] ){
          zVal = cgi_parameter( zShort, NULL );
      }
  }else{
      zVal = find_option( zLong, zShort[0] ? zShort : NULL, 1 );
  }
  if(!zVal){
    zVal = zDefault;
    if(!zVal){
      Th_ErrorMessage(interp, "Option not found and no default provided:", zLong, -1);
      return TH_ERROR;
    }
  }

Changes to www/th1_argv.wiki. 

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<nowiki><pre>
set arg [argv at 3]
</pre></nowiki>


<h2>getstr</h2>

Searches for a CLI/GET/POST parameter. This function has some non-intuitive behaviour
inherited from fossil's internals: once a flag/parameter is fetched, it is removed
from the internal arguments list, meaning that this function will never
see it a second time.

<nowiki><pre>
set something [argv getstr "something" "S" "default"]
</pre></nowiki>

If no default value is provided, an error is triggered if the value is
not found.








<h2>getbool</h2>

Works almost like <tt>getstr</tt> but searches for boolean flags. CLI boolean flags
have no explicit value, and are "true" if the are set at all.

<nowiki><pre>








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<nowiki><pre>
set arg [argv at 3]
</pre></nowiki>


<h2>getstr</h2>

Searches for a CLI/GET/POST parameter. In CLI this function has some
non-intuitive behaviour inherited from fossil's internals: once a
flag/parameter is fetched, it is removed from the internal arguments
list, meaning that this function will never see it a second time.

<nowiki><pre>
set something [argv getstr "something" "S" "default"]
</pre></nowiki>

If no default value is provided, an error is triggered if the value is
not found.

If you do not want to search for a short-form flag, set it to an empty
string.

BUG: flag checking does not work properly in CGI mode when using
upper-case flags (apparently due to historic special-case behaviour in
fossil for upper-case vars).

<h2>getbool</h2>

Works almost like <tt>getstr</tt> but searches for boolean flags. CLI boolean flags
have no explicit value, and are "true" if the are set at all.

<nowiki><pre>

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