tomasz.sowa/morm
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add a CSVConnector/CSVExpression classes to serialize to csv format

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Current limitation: list/vectors are not serialized.

while here:
- move the output_type flag from the DbExpression to BaseExpression class
- add Model::to_text(...) methods with an Export parameter
This commit is contained in:
Tomasz Sowa
2023-04-12 17:20:29 +02:00
parent d61fc31b5c
commit 86177889af
20 changed files with 604 additions and 68 deletions
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15
src/baseexpression.h
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@@ -43,6 +43,7 @@
#include "morm_types.h"
#include "modelenv.h"
#include "ft.h"
#include "export.h"
#include "convert/text.h"
#ifdef MORM_HAS_EZC_LIBRARY
@@ -69,6 +70,9 @@ public:
virtual void set_work_mode(int work_mode);
virtual int get_work_mode();
virtual void set_output_type(int output_type);
virtual int get_output_type();
virtual pt::TextStream * get_text_stream();
virtual void set_text_stream(pt::TextStream * out_stream);
@@ -160,7 +164,7 @@ public:
void field_list(const wchar_t * field_name, ModelContainer & field_value, ModelContainerType * model_container_type,
const FT & field_type, ModelConnector * model_connector, ModelEnv * model_env, IsContainerByValueRenameMe * foo)
{
if( out_stream && can_field_be_generated(field_type) )
if( out_stream && can_field_be_generated(field_type) && can_field_list_be_generated(field_type) )
{
field_before();
@@ -192,12 +196,15 @@ public:
if( work_mode == MORM_WORK_MODE_MODEL_FIELDS )
{
put_field_name_and_table_if_needed(field_name, field_type, model_env);
if( output_type == MORM_OUTPUT_TYPE_FIELDS_RECURSIVE )
generate_from_model(field_model, field_type);
else
put_field_name_and_table_if_needed(field_name, field_type, model_env);
}
else
if( work_mode == MORM_WORK_MODE_MODEL_VALUES )
{
generate_from_model(field_model, field_type); // is it ok as a value?
generate_from_model(field_model, field_type);
}
else
if( work_mode == MORM_WORK_MODE_MODEL_FIELDS_VALUES )
@@ -341,6 +348,7 @@ public:
protected:
int work_mode; /* what to do: generating fields list, values list or fields-values list */
int output_type;
bool is_first_field;
pt::TextStream * out_stream;
bool use_prefix;
@@ -354,6 +362,7 @@ protected:
virtual bool can_field_be_generated(const FT &);
virtual bool can_field_model_be_generated(bool has_model_primary_key, const FT & field_type);
virtual bool can_field_list_be_generated(const FT &);
virtual bool should_field_model_be_generated_as_null(bool has_model_primary_key, const FT & field_type);
virtual void field_before();